Mozilla: More internal network hosts could have been probed by a malicious webpage

Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox 85...

Prometei Botnet Could Fire Up APT-Style Attacks

A heretofore little-seen botnet dubbed Prometei is taking a page from advanced persistent threat APT cyberattackers: The malware is exploiting two of the Microsoft Exchange vulnerabilities collectively known as ProxyLogon, in order to drop a Monero cryptominer on its targets. It’s also highly...

wesng

This is an offensive tool for Windows vulnerability exploitation. It is a Python-based tool called Windows Exploit Suggester - Next Generation WES-NG, which provides a list of vulnerabilities the OS is vulnerable to, including any exploits for these vulnerabilities. The tool uses the output of...

Designing sockfuzzer, a network syscall fuzzer for XNU

Posted by Ned Williamson, Project Zero Introduction When I started my 20% project – an initiative where employees are allocated twenty-percent of their paid work time to pursue personal projects – with Project Zero, I wanted to see if I could apply the techniques I had learned fuzzing Chrome to...

Pulse Secure Critical Zero-Day Security Bug Under Active Exploit

A critical zero-day security vulnerability in Pulse Secure VPN devices has been exploited by nation-state actors to launch cyberattacks against U.S. defense, finance and government targets, as well as victims in Europe, researchers said. Download “The Evolution of Ransomware” to gain valuable...

Vulnerability Spotlight: Code execution vulnerabilities in PrusaSlicer

Lilith of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two out-of-bounds write vulnerabilities in Prusa Research’s PrusaSlicer. Prusa Slicer is an open-source 3-D printer slicing program forked off Slic3r that can convert various 3-D... This i...

Prusa Research PrusaSlicer Objparser::objparse() stack-based buffer overflow vulnerability

Summary A stack-based buffer overflow vulnerability exists in the Objparser::objparse functionality of Prusa Research PrusaSlicer 2.2.0 and Master commit 4b040b856. A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability...

Prusa Research PrusaSlicer Obj.cpp load_obj() out-of-bounds write vulnerability

Summary An out-of-bounds write vulnerability exists in the Obj.cpp loadobj functionality of Prusa Research PrusaSlicer 2.2.0 and Master commit 4b040b856. A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability. Tested Version...

Prusa Research PrusaSlicer Admesh stl_fix_normal_directions() out-of-bounds write vulnerability

Summary An out-of-bounds write vulnerability exists in the Admesh stlfixnormaldirections functionality of Prusa Research PrusaSlicer 2.2.0 and Master commit 4b040b856. A specially crafted AMF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability...

Interview with a bug bounty hunter: Youssef Sammouda

Behind the scenes there are many people working in cyber-security that make the internet a safer place. Youssef Sammouda is one of these people. He has submitted at least a hundred reports to Facebook which have been resolved, making Facebook a safer platform along the way. Generally speaking,...

CVE-2021-23961

Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox 85...

Cisco RV Authentication Bypass / Code Execution

IoT Inspector Research Lab Security Advisory IOT-20210414-0 title: Cisco RV series Authentication Bypass and Remote Command Execution vendor/product: Cisco https://www.cisco.com/ vulnerable version: RV16X/RV26X: 1.0.01.02 & below. RV34X: 1.0.03.20 & below. fixed version: RV16X/RV26X: 1.0.01.03...

Security Vulnerabilities fixed in Firefox ESR 78.10 — Mozilla

A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary cod...

Security Vulnerabilities fixed in Thunderbird 78.10 — Mozilla

A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary cod...

GHSA-G8R4-P96J-XFXC Grav's Twig processing allowing dangerous PHP functions by default

Impact Twig processing of static pages can be enabled in the front matter by any administrative user allowed to create or edit pages. As the Twig processor runs unsandboxed, this behavior can be used to gain arbitrary code execution and elevate privileges on the instance. Patches The issue was...

CVE-2021-29443

jose is an npm library providing a number of cryptographic operations. In vulnerable versions AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. A...

CVE-2021-29443

jose is an npm library providing a number of cryptographic operations. In vulnerable versions AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. A...

Code injection

jose is an npm library providing a number of cryptographic operations. In vulnerable versions AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. A...

CVE-2021-29443 Padding Oracle Attack due to Observable Timing Discrepancy in jose

jose is an npm library providing a number of cryptographic operations. In vulnerable versions AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. A...

Rapid7 Releases New Industry Cyber-Exposure Report (ICER): FTSE 350

Today, we are excited to release the second report in our Industry Cyber-Exposure Report ICER series, which digs into cyber-exposure among organizations in the U.K.’s FTSE 350. This series focuses on five key areas we believe CISOs at mega-corporations actually have a shot at accomplishing, and...