PT-2024-9608 · Zabbi +2 · Zabbi +2

Name of the Vulnerable Software and Affected Versions: Zabbi affected versions not specified Description: A use after free error was discovered in the es browser get variant function, which can lead to a denial of service DoS when exploited. The issue is related to the use of memory after it has...

Analysis of Elpaco: a Mimic variant

Introduction In a recent incident response case, we dealt with a variant of the Mimic ransomware with some interesting customization features. The attackers were able to connect via RDP to the victim's server after a successful brute force attack and then launch the ransomware. After that, the...

Linux Variant of Helldown Ransomware Targets VMware ESX Servers

Cybersecurity firm Sekoia has discovered a new variant of Helldown ransomware. The article details their tactics and how…...

Bitcoin Core 安全漏洞

Bitcoin Core is a Bitcoin open source client for verifying the validity of blockchain transactions. A security vulnerability exists in Bitcoin Core versions prior to 25.0. An attacker exploiting the vulnerability could affect the download status of other peers by sending variant blocks...

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...

kernel: perf: hisi: Fix use-after-free when register pmu fails

In the Linux kernel, the following vulnerability has been resolved: perf: hisi: Fix use-after-free when register pmu fails When we fail to register the uncore pmu, the pmu context may not been allocated. The error handing will call cpuhpstateremoveinstance to call uncore pmu offline callback, whi...

Hackers Use Excel Files to Deliver Remcos RAT Variant on Windows

This article explains the inner workings of the Remcos RAT, a dangerous malware that uses advanced techniques to…...

CVE-2024-50138

In the Linux kernel, the following vulnerability has been resolved: bpf: Use rawspinlockt in ringbuf The function bpfringbufreserve is invoked from a tracepoint, which disables preemption. Using spinlockt in this context can lead to a "sleep in atomic" warning in the RT variant. This issue is...

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...

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"...

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...

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...

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 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...

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...