From Naptime to Big Sleep: Using Large Language Models To Catch Vulnerabilities In Real-World Code

Posted by the Big Sleep team Introduction In our previous post, Project Naptime: Evaluating Offensive Security Capabilities of Large Language Models, we introduced our framework for large-language-model-assisted vulnerability research and demonstrated its potential by improving the state-of-the-a...

Akira ransomware continues to evolve

Akira continues to cement its position as one of the most prevalent ransomware operations in the threat landscape, according to Cisco Talos' findings and analysis. Their success is partly due to the fact that they are constantly evolving. For example, after Akira already developed a new version o...

New Linux Variant of FASTCash Malware Targets Payment Switches in ATM Heists

North Korean threat actors have been observed using a Linux variant of a known malware family called FASTCash to steal funds as part of a financially-motivated campaign. The malware is "installed on payment switches within compromised networks that handle card transactions for the means of...

Cybercriminals Use Unicode to Hide Mongolian Skimmer in E-Commerce Platforms

Cybersecurity researchers have shed light on a new digital skimmer campaign that leverages Unicode obfuscation techniques to conceal a skimmer dubbed Mongolian Skimmer. "At first glance, the thing that stood out was the script's obfuscation, which seemed a bit bizarre because of all the accented...

Threat actor believed to be spreading new MedusaLocker variant since 2022

Cisco Talos has discovered a financially motivated threat actor, active since 2022, recently observed delivering a MedusaLocker ransomware variant. Intelligence collected by Talos on tools regularly employed by the threat actor allows us to see an estimate of the amount and countries of origin of...

PT-2024-33969

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises from the function bpf ringbuf reserve being invoked from a tracepoint, which disables preemption. Using spinlock t in this context can lead to a "sleep in atomic"...

GHSA-W69Q-W4H4-2FX8 Reverb use after free vulnerability

There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance...

Reverb use after free vulnerability

There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance...

CVE-2024-8375

There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance...

CVE-2024-8375

CVE-2024-8375 affects Google DeepMind Reverb. A use-after-free vulnerability arises when unpacking a tensor proto of type VARIANT: memory is allocated for the tensor, objects are constructed, then tensor_content is copied into pre-allocated memory, overwriting vtable pointers. This enables an att...

CVE-2024-8375 Object deserialization in Reverb leading to RCE

There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance...

Reverb 安全漏洞

Reverb is an efficient and easy-to-use data storage and transfer system open-sourced by Google DeepMind. Reverb has a security vulnerability that stems from when unpacking a tensor prototype of type VARIANT overwrites the bytes in tensorcontent with vtable pointers to all previously allocated...

The vulnerability of the get_supported_language_variant() function in the Django web application platform, related to errors in processing length parameters, allows attackers to trigger a denial-of-service attack.

The vulnerability of the getsupportedlanguagevariant function in the Django web application framework is related to errors in processing parameter lengths. Exploiting this vulnerability could allow an attacker to cause a service failure...

Blind Eagle Targets Colombian Insurance Sector with Customized Quasar RAT

The Colombian insurance sector is the target of a threat actor tracked as Blind Eagle with the end goal of delivering a customized version of a known commodity remote access trojan RAT referred to as Quasar RAT since June 2024. "Attacks have originated with phishing emails impersonating the...

python-django: Potential denial-of-service in django.utils.translation.get_supported_language_variant()

A vulnerability was found in Python-Django in the getsupportedlanguagevariant function. The issue triggers when parsed with very long strings, including a specific set of characters, leading to a potential denial of service attack...

UBUNTU-CVE-2024-44966

In the Linux kernel, the following vulnerability has been resolved: binfmtflat: Fix corruption when not offsetting data start Commit 04d82a6d0881 "binfmtflat: allow not offsetting data start" introduced a RISC-V specific variant of the FLAT format which does not allocate any space for the obsolet...

CVE-2024-44948

In the Linux kernel, the following vulnerability has been resolved: x86/mtrr: Check if fixed MTRRs exist before saving them MTRRs have an obsolete fixed variant for fine grained caching control of the 640K-1MB region that uses separate MSRs. This fixed variant has a separate capability bit in the...

Unpatched AVTECH IP Camera Flaw Exploited by Hackers for Botnet Attacks

A years-old high-severity flaw impacting AVTECH IP cameras has been weaponized by malicious actors as a zero-day to rope them into a botnet. CVE-2024-7029 CVSS score: 8.7, the vulnerability in question, is a "command injection vulnerability found in the brightness function of AVTECH closed-circui...

New LummaC2 Malware Variant Uses PowerShell, Obfuscation to Steal Data

Ontinue has discovered a new LummaC2 malware variant with increased activity, using PowerShell for initial infection and employing…...

OESA-2024-2036 python-django security update

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Security Fixes: An issue was discovered in Django 4.2 before 4.2.14 and 5.0 before 5.0.7. urlize and urlizetrunc were subject to a potential denial of service attack via certain inputs with ...