New Malware Campaign Targeting Job Seekers with Cobalt Strike Beacons

A social engineering campaign leveraging job-themed lures is weaponizing a years-old remote code execution flaw in Microsoft Office to deploy Cobalt Strike beacons on compromised hosts. "The payload discovered is a leaked version of a Cobalt Strike beacon," Cisco Talos researchers Chetan...

Vulnerability Spotlight: Vulnerabilities in popular library affect Unix-based devices

Lilith of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered a memory corruption vulnerability in the uClibC library that could affect any Unix-based devices that use this library. uClibC and uClibC-ng are lightweight replacements for the popular gLibc library, which is...

uClibC and uClibC-ng libpthread linuxthreads memory corruption vulnerabilities

Talos Vulnerability Report TALOS-2022-1517 uClibC and uClibC-ng libpthread linuxthreads memory corruption vulnerabilities September 22, 2022 CVE Number CVE-2022-29503 SUMMARY A memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng...

Threat Roundup for September 9 to September 16

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 9 and Sept. 16. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristic...

Talos worker join token can be used to get elevated access level to the Talos API

Impact Talos worker nodes use a join token to get accepted into the Talos cluster. A misconfigured Kubernetes environment may allow workloads to access the join token of the worker node. A malicious workload could then use the join token to construct a Talos CSR certificate signing request. Due t...

GHSA-7HGC-PHP5-77QQ Talos worker join token can be used to get elevated access level to the Talos API

Impact Talos worker nodes use a join token to get accepted into the Talos cluster. A misconfigured Kubernetes environment may allow workloads to access the join token of the worker node. A malicious workload could then use the join token to construct a Talos CSR certificate signing request. Due t...

GHSA-34VW-M4RH-R36P Talos vulnerable dependency due to race condition in Linux kernel's IP framework XFRM

Impact A race condition was found in the Linux kernel's IP framework for transforming packets XFRM subsystem when multiple calls to xfrmprobealgs occurred simultaneously. This flaw could allow a local attacker to potentially trigger an out-of-bounds write or leak kernel heap memory by performing ...

Talos vulnerable dependency due to race condition in Linux kernel's IP framework XFRM

Impact A race condition was found in the Linux kernel's IP framework for transforming packets XFRM subsystem when multiple calls to xfrmprobealgs occurred simultaneously. This flaw could allow a local attacker to potentially trigger an out-of-bounds write or leak kernel heap memory by performing ...

Gamaredon APT targets Ukrainian government agencies in new campaign

By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...

Wormable Flaw, 0days Lead Sept. 2022 Patch Tuesday

This months Patch Tuesday offers a little something for everyone, including security updates for a zero-day flaw in Microsoft Windows that is under active attack, and another Windows weakness experts say could be used to power a fast-spreading computer worm. Also, Apple has also quashed a pair of...

CVE-2022-36103

Talos Linux is a Linux distribution built for Kubernetes deployments. Talos worker nodes use a join token to get accepted into the Talos cluster. Due to improper validation of the request while signing a worker node CSR certificate signing request Talos control plane node might issue Talos API...

Input validation

Talos Linux is a Linux distribution built for Kubernetes deployments. Talos worker nodes use a join token to get accepted into the Talos cluster. Due to improper validation of the request while signing a worker node CSR certificate signing request Talos control plane node might issue Talos API...

CVE-2022-36103 Talos worker join token can be used to get elevated access level to the Talos API

Talos Linux is a Linux distribution built for Kubernetes deployments. Talos worker nodes use a join token to get accepted into the Talos cluster. Due to improper validation of the request while signing a worker node CSR certificate signing request Talos control plane node might issue Talos API...

CVE-2022-36103 Talos worker join token can be used to get elevated access level to the Talos API

Talos Linux is a Linux distribution built for Kubernetes deployments. Talos worker nodes use a join token to get accepted into the Talos cluster. Due to improper validation of the request while signing a worker node CSR certificate signing request Talos control plane node might issue Talos API...

CVE-2022-36103 Talos worker join token can be used to get elevated access level to the Talos API

Talos Linux is a Linux distribution built for Kubernetes deployments. Talos worker nodes use a join token to get accepted into the Talos cluster. Due to improper validation of the request while signing a worker node CSR certificate signing request Talos control plane node might issue Talos API...

CVE-2022-36103

CVE-2022-36103 affects Talos Linux (Kubernetes-focused distro). The vulnerability arises from improper validation when signing a worker node CSR, potentially allowing a control plane node to issue a Talos API certificate with full access to the Talos API. The Talos API join token is stored in wor...

Talos Linux 安全漏洞

Talos Linux is Sidero Labs' modern Linux distribution built for Kubernetes. Talos Linux suffers from a security vulnerability that stems from incorrect validation of a request when signing a CSR Certificate Signing Request for a worker node, resulting in full access to the Talos API on a control...

PT-2022-4910 · Talos · Talos

Name of the Vulnerable Software and Affected Versions: Talos versions prior to 1.2.2 Description: The issue is related to improper validation of the request while signing a worker node CSR, which might allow a Talos control plane node to issue a Talos API certificate with full access to the Talos...

North Korean Lazarus Hackers Targeting Energy Providers Around the World

A malicious campaign mounted by the North Korea-linked Lazarus Group targeted energy providers around the world, including those based in the United States, Canada, and Japan, between February and July 2022. "The campaign is meant to infiltrate organizations around the world for establishing...

Threat Roundup for August 26 to September 2

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 26 and Sept. 2. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...