OpenSSH fixes double-free memory bug that’s pokable over the network

It's a bug fix for a bug fix. A memory leak was turned into a double-free that has now been turned into correct code...

Atlassian's Jira Service Management Found Vulnerable to Critical Vulnerability

Atlassian has released fixes to resolve a critical security flaw in Jira Service Management Server and Data Center that could be abused by an attacker to pass off as another user and gain unauthorized access to susceptible instances. The vulnerability is tracked as CVE-2023-22501 (CVSS score: 9.4) and has been described as a case of broken authentication with low attack complexity. "An

New High-Severity Vulnerabilities Discovered in Cisco IOx and F5 BIG-IP Products

F5 has warned of a high-severity flaw impacting BIG-IP appliances that could lead to denial-of-service (DoS) or arbitrary code execution. The issue is rooted in the iControl Simple Object Access Protocol (SOAP) interface and affects the following versions of BIG-IP - 13.1.5 14.1.4.6 - 14.1.5 15.1.5.1 - 15.1.8 16.1.2.2 - 16.1.3, and 17.0.0 "A format string vulnerability exists in iControl SOAP

S3 Ep120: When dud crypto simply won’t let go [Audio + Text]

Latest episode - listen now!

Researchers Uncover New Bugs in Popular ImageMagick Image Processing Utility

Cybersecurity researchers have disclosed details of two security flaws in the open source ImageMagick software that could potentially lead to a denial-of-service (DoS) and information disclosure. The two issues, which were identified by Latin American cybersecurity firm Metabase Q in version 7.1.0-49, were addressed in ImageMagick version 7.1.0-52, released in November 2022. <!--adsense--> A

Password-stealing “vulnerability” reported in KeePass – bug or feature?

Is it a vulnerability if someone with control over your account can mess with files that your account is allowed to access anyway?

Additional Supply Chain Vulnerabilities Uncovered in AMI MegaRAC BMC Software

Two more supply chain security flaws have been disclosed in AMI MegaRAC Baseboard Management Controller (BMC) software, nearly two months after three security vulnerabilities were brought to light in the same product. Firmware security firm Eclypsium said the two shortcomings were held back until now to provide AMI additional time to engineer appropriate mitigations. The issues, collectively

GitHub code-signing certificates stolen (but will be revoked this week)

There was a breach, so the bad news isn't great, but the good news isn't too bad...

QNAP Fixes Critical Vulnerability in NAS Devices with Latest Security Updates

Taiwanese company QNAP has released updates to remediate a critical security flaw affecting its network-attached storage (NAS) devices that could lead to arbitrary code injection. Tracked as CVE-2022-27596, the vulnerability is rated 9.8 out of a maximum of 10 on the CVSS scoring scale. It affects QTS 5.0.1 and QuTS hero h5.0.1. "If exploited, this vulnerability allows remote attackers to inject

Serious Security: The Samba logon bug caused by outdated crypto

Enjoy our Serious Security deep dive into this real-world example of why cryptographic agility is important!

S3 Ep119: Breaches, patches, leaks and tweaks! [Audio + Text]

Lastest episode - listen now! (Or read the transcript.)

VMware Releases Patches for Critical vRealize Log Insight Software Vulnerabilities

VMware on Tuesday released software to remediate four security vulnerabilities affecting vRealize Log Insight (aka Aria Operations for Logs) that could expose users to remote code execution attacks. Two of the flaws are critical, carrying a severity rating of 9.8 out of a maximum of 10, the virtualization services provider noted in its first security bulletin for 2023. Tracked as CVE-2022-31706

Security Navigator Research: Some Vulnerabilities Date Back to the Last Millennium

Vulnerability analysis results in Orange Cyberdefenses' Security Navigator show that some vulnerabilities first discovered in 1999 are still found in networks today. This is concerning. Age of VOC findings Our Vulnerability Scans are performed on a recurring basis, which provides us the opportunity to examine the difference between when a scan was performed on an Asset, and when a given finding

Apple patches are out – old iPhones get an old zero-day fix at last!

Don't delay, especially if you're still running an iOS 12 device... please do it today!

Serious Security: How dEliBeRaTe tYpOs might imProVe DNS security

It's a really cool and super-simple trick. The question is, "Will it help?"

Chinese Hackers Exploited Recent Fortinet Flaw as 0-Day to Drop Malware

A suspected China-nexus threat actor exploited a recently patched vulnerability in Fortinet FortiOS SSL-VPN as a zero-day in attacks targeting a European government entity and a managed service provider (MSP) located in Africa. Telemetry evidence gathered by Google-owned Mandiant indicates that the exploitation occurred as early as October 2022, at least nearly two months before fixes were

New Microsoft Azure Vulnerability Uncovered — EmojiDeploy for RCE Attacks

A new critical remote code execution (RCE) flaw discovered impacting multiple services related to Microsoft Azure could be exploited by a malicious actor to completely take control of a targeted application. "The vulnerability is achieved through CSRF (cross-site request forgery) on the ubiquitous SCM service Kudu," Ermetic researcher Liv Matan said in a report shared with The Hacker News. "By

Git Users Urged to Update Software to Prevent Remote Code Execution Attacks

The maintainers of the Git source code version control system have released updates to remediate two critical vulnerabilities that could be exploited by a malicious actor to achieve remote code execution. The flaws, tracked as CVE-2022-23521 and CVE-2022-41903, impacts the following versions of Git: v2.30.6, v2.31.5, v2.32.4, v2.33.5, v2.34.5, v2.35.5, v2.36.3, v2.37.4, v2.38.2, and v2.39.0. <!-

Cacti Servers Under Attack as Majority Fail to Patch Critical Vulnerability

A majority of internet-exposed Cacti servers have not been patched against a recently patched critical security vulnerability that has come under active exploitation in the wild. That's according to attack surface management platform Censys, which found only 26 out of a total of 6,427 servers to be running a patched version of Cacti (1.2.23 and 1.3.0). The issue in question relates to CVE-2022-

Cisco Issues Warning for Unpatched Vulnerabilities in EoL Business Routers

Cisco has warned of two security vulnerabilities affecting end-of-life (EoL) Small Business RV016, RV042, RV042G, and RV082 routers that it said will not be fixed, even as it acknowledged the public availability of proof-of-concept (PoC) exploit. The issues are rooted in the router's web-based management interface, enabling a remote adversary to sidestep authentication or execute malicious

FortiOS Flaw Exploited as Zero-Day in Attacks on Government and Organizations

A zero-day vulnerability in FortiOS SSL-VPN that Fortinet addressed last month was exploited by unknown actors in attacks targeting governments and other large organizations. "The complexity of the exploit suggests an advanced actor and that it is highly targeted at governmental or government-related targets," Fortinet researchers said in a post-mortem analysis published this week. The attacks

S3 Ep117: The crypto crisis that wasn’t (and farewell forever to Win 7) [Audio + Text]

Tell us in the comments... What's the REAL reason there was no Windows 9? (No theory too far-fetched!)

Experts Detail Chromium Browser Security Flaw Putting Confidential Data at Risk

Details have emerged about a now-patched vulnerability in Google Chrome and Chromium-based browsers that, if successfully exploited, could have made it possible to siphon files containing confidential data. "The issue arose from the way the browser interacted with symlinks when processing files and directories," Imperva researcher Ron Masas said. "Specifically, the browser did not properly check

Patch Where it Hurts: Effective Vulnerability Management in 2023

A recently published Security Navigator report data shows that businesses are still taking 215 days to patch a reported vulnerability. Even for critical vulnerabilities, it generally takes more than 6 months to patch. Good vulnerability management is not about being fast enough in patching all potential breaches. It's about focusing on the real risk using vulnerability prioritization to correct

Twitter Denies Hacking Claims, Assures Leaked User Data Not from its System

Twitter on Wednesday said that its investigation found "no evidence" that users' data sold online was obtained by exploiting any security vulnerabilities in its systems. "Based on information and intel analyzed to investigate the issue, there is no evidence that the data being sold online was obtained by exploiting a vulnerability of Twitter systems," the company said in a statement. "The data

Microsoft Patch Tuesday: One 0-day; Win 7 and 8.1 get last-ever patches

Get 'em while they're hot. And get 'em for the very last time, if you still have Windows 7 or 8.1...

Popular JWT cloud security library patches “remote” code execution hole

It's remotely triggerable, but attackers would already have pretty deep network access if they could "prime" your server for compromise.

Severe Security Flaw Found in "jsonwebtoken" Library Used by 22,000+ Projects

A high-severity security flaw has been disclosed in the open source jsonwebtoken (JWT) library that, if successfully exploited, could lead to remote code execution on a target server. "By exploiting this vulnerability, attackers could achieve remote code execution (RCE) on a server verifying a maliciously crafted JSON web token (JWT) request," Palo Alto Networks Unit 42 researcher Artur Oleyarsh

CircleCI – code-building service suffers total credential compromise

They're saying "rotate secrets"... in plain English, they mean "change your credentials". The company has a tool to help you find them all.

Fortinet and Zoho Urge Customers to Patch Enterprise Software Vulnerabilities

Fortinet has warned of a high-severity flaw affecting multiple versions of FortiADC application delivery controller that could lead to the execution of arbitrary code. "An improper neutralization of special elements used in an OS command vulnerability in FortiADC may allow an authenticated attacker with access to the web GUI to execute unauthorized code or commands via specifically crafted HTTP

Serious Security: How to improve cryptography, resist supply chain attacks, and handle data breaches

Lessons for us all: improve cryptography, fight cybercrime, own your supply chain... and don't steal my data and then pretend you're sorry.

Naked Security 33 1/3 – Cybersecurity predictions for 2023 and beyond

The problem with anniversaries is that there's an almost infinite number of them every day...

Microsoft dishes the dirt on Apple’s “Achilles heel” shortly after fixing similar Windows bug

It happens to the best of us: Microsoft highlights a security bypass bug on Macs that is curiously similar to a recent Windows 0-day.

Samba Issues Security Updates to Patch Multiple High-Severity Vulnerabilities

Samba has released software updates to remediate multiple vulnerabilities that, if successfully exploited, could allow an attacker to take control of affected systems. The high-severity flaws, tracked as CVE-2022-38023, CVE-2022-37966, CVE-2022-37967, and CVE-2022-45141, have been patched in versions 4.17.4, 4.16.8 and 4.15.13 released on December 15, 2022. Samba is an open source Windows

S3 Ep113: Pwning the Windows kernel – the crooks who hoodwinked Microsoft [Audio + Text]

Return o' the rookit, super-sneaky wireless spyware, credit card skimming, and patches galore. Listen and learn!

Microsoft Reclassifies SPNEGO Extended Negotiation Security Vulnerability as 'Critical'

Microsoft has revised the severity of a security vulnerability it originally patched in September 2022, upgrading it to "Critical" after it emerged that it could be exploited to achieve remote code execution. Tracked as CVE-2022-37958 (CVSS score: 8.1), the flaw was previously described as an information disclosure vulnerability in SPNEGO Extended Negotiation (NEGOEX) Security Mechanism. SPNEGO,

Top 5 Web App Vulnerabilities and How to Find Them

Web applications, often in the form of Software as a Service (SaaS), are now the cornerstone for businesses all over the world. SaaS solutions have revolutionized the way they operate and deliver services, and are essential tools in nearly every industry, from finance and banking to healthcare and education.  Most startup CTOs have an excellent understanding of how to build highly functional

Hackers Actively Exploiting Citrix ADC and Gateway Zero-Day Vulnerability

The U.S. National Security Agency (NSA) on Tuesday said a threat actor tracked as APT5 has been actively exploiting a zero-day flaw in Citrix Application Delivery Controller (ADC) and Gateway to take over affected systems. The critical remote code execution vulnerability, identified as CVE-2022-27518, could allow an unauthenticated attacker to execute commands remotely on vulnerable devices and

Serious Attacks Could Have Been Staged Through This Amazon ECR Public Gallery Vulnerability

A critical security flaw has been disclosed in Amazon Elastic Container Registry (ECR) Public Gallery that could have been potentially exploited to stage a multitude of attacks, according to cloud security firm Lightspin. "By exploiting this vulnerability, a malicious actor could delete all images in the Amazon ECR Public Gallery or update the image contents to inject malicious code," Gafnit

Fortinet Warns of Active Exploitation of New SSL-VPN Pre-auth RCE Vulnerability

Fortinet on Monday issued emergency patches for a severe security flaw affecting its FortiOS SSL-VPN product that it said is being actively exploited in the wild. Tracked as CVE-2022-42475 (CVSS score: 9.3), the critical bug relates to a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to execute arbitrary code via specially crafted requests. The company said

Apple patches everything, finally reveals mystery of iOS 16.1.2

There's an update for everything this time, not just for iOS.

Patch Tuesday: 0-days, RCE bugs, and a curious tale of signed malware

Tales of derring-do in the cyberunderground! (And some zero-days.)

Pwn2Own Toronto: 54 hacks, 63 new bugs, $1 million in bounties

That's a mean average of $15,710 per bug... and 63 fewer bugs out there for crooks and rogues to find.

New TrueBot Malware Variant Leveraging Netwrix Auditor Bug and Raspberry Robin Worm

Cybersecurity researchers have reported an increase in TrueBot infections, primarily targeting Mexico, Brazil, Pakistan, and the U.S. Cisco Talos said the attackers behind the operation have moved from using malicious emails to alternative delivery methods such as the exploitation of a now-patched remote code execution (RCE) flaw in Netwrix auditor as well as the Raspberry Robin worm. "

S3 Ep112: Data breaches can haunt you more than once! [Audio + Text]

Breaches, exploits, busts, buffer overflows and bug hunting - entertaining and educational in equal measure.

Google Warns of Internet Explorer Zero-Day Vulnerability Exploited by ScarCruft Hackers

An Internet Explorer zero-day vulnerability was actively exploited by a North Korean threat actor to target South Korean users by capitalizing on the recent Itaewon Halloween crowd crush to trick users into downloading malware. The discovery, reported by Google Threat Analysis Group researchers Benoît Sevens and Clément Lecigne, is the latest set of attacks perpetrated by ScarCruft, which is

Number Nine! Chrome fixes another 2022 zero-day, Edge patched too

Ninth more unto the breach, dear friends, ninth more.

Ping of death! FreeBSD fixes crashtastic bug in network tool

It's a venerable program, and this version had a venerable bug in it.

Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems

The maintainers of the FreeBSD operating system have released updates to remediate a security vulnerability impacting the ping module that could be potentially exploited to crash the program or trigger remote code execution. The issue, assigned the identifier CVE-2022-23093, impacts all supported versions of FreeBSD and concerns a stack-based buffer overflow vulnerability in the ping service. "

Google Rolls Out New Chrome Browser Update to Patch Yet Another Zero-Day Vulnerability

Search giant Google on Friday released an out-of-band security update to fix a new actively exploited zero-day flaw in its Chrome web browser. The high-severity flaw, tracked as CVE-2022-4262, concerns a type confusion bug in the V8 JavaScript engine. Clement Lecigne of Google's Threat Analysis Group (TAG) has been credited with reporting the issue on November 29, 2022. Type confusion

Researchers Disclose Supply-Chain Flaw Affecting IBM Cloud Databases for PostgreSQL

IBM has fixed a high-severity security vulnerability affecting its Cloud Databases (ICD) for PostgreSQL product that could be potentially exploited to tamper with internal repositories and run unauthorized code. The privilege escalation flaw (CVSS score: 8.8), dubbed "Hell's Keychain" by cloud security firm Wiz, has been described as a "first-of-its-kind supply-chain attack vector impacting a

Hackers Exploiting Redis Vulnerability to Deploy New Redigo Malware on Servers

A previously undocumented Go-based malware is targeting Redis servers with the goal of taking control of the infected systems and likely building a botnet network. The attacks involve taking advantage of a critical security vulnerability in the open source, in-memory, key-value store that was disclosed earlier this year to deploy Redigo, according to cloud security firm Aqua. <!--adsense-->

Google Accuses Spanish Spyware Vendor of Exploiting Chrome, Firefox, & Windows Zero-Days

A Barcelona-based surveillanceware vendor named Variston IT is said to have surreptitiously planted spyware on targeted devices by exploiting several zero-day flaws in Google Chrome, Mozilla Firefox, and Windows, some of which date back to December 2018. "Their Heliconia framework exploits n-day vulnerabilities in Chrome, Firefox, and Microsoft Defender, and provides all the tools necessary to

Researchers Disclose Critical RCE Vulnerability Affecting Quarkus Java Framework

A critical security vulnerability has been disclosed in the Quarkus Java framework that could be potentially exploited to achieve remote code execution on affected systems. Tracked as CVE-2022-4116 (CVSS score: 9.8), the shortcoming could be trivially abused by a malicious actor without any privileges. "The vulnerability is found in the Dev UI Config Editor, which is vulnerable to drive-by

New Flaw in Acer Laptops Could Let Attackers Disable Secure Boot Protection

Acer has released a firmware update to address a security vulnerability that could be potentially weaponized to turn off UEFI Secure Boot on affected machines. Tracked as CVE-2022-4020, the high-severity vulnerability affects five different models that consist of Aspire A315-22, A115-21, and A315-22G, and Extensa EX215-21 and EX215-21G. <!--adsense--> The PC maker described the vulnerability as

Researchers Detail AppSync Cross-Tenant Vulnerability in Amazon Web Services

Amazon Web Services (AWS) has resolved a cross-tenant vulnerability in its platform that could be weaponized by an attacker to gain unauthorized access to resources. The issue relates to a confused deputy problem, a type of privilege escalation where a program that doesn't have permission to perform an action can coerce a more-privileged entity to perform the action. The shortcoming was reported

Chrome fixes 8th zero-day of 2022 – check your version now (Edge too!)

There isn't a rhyme to remind you which months have browser zero-days... you just have to keep your eyes and ears open!

How to hack an unpatched Exchange server with rogue PowerShell code

Review your servers, your patches and your authentication policies - there's a proof-of-concept out

S3 Ep109: How one leaked email password could drain your business [Audio + Transcript]

Latest episode - listen now! Cybersecurity news plus loads of great advice...

Iranian Hackers Compromised a U.S. Federal Agency’s Network Using Log4Shell Exploit

Iranian government-sponsored threat actors have been blamed for compromising a U.S. federal agency by taking advantage of the Log4Shell vulnerability in an unpatched VMware Horizon server. The details, which were shared by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), come in response to incident response efforts undertaken by the authority from mid-June through mid-July 2022