1371 matches found
Developer account body snatchers pose risks to the software supply chain
Over the past several years, high-profile software supply chain attacks have increased in frequency. These attacks can be difficult to detect and source code repositories became a key focus of this research. Developer account takeovers present a substantial risk to the software supply chain becau...
The vulnerability of Talos Linux operating system interfaces allows a perpetrator to gain unauthorized access to protected information.
The vulnerability of Talos Linux operating systems relates to the improper assignment of permissions for critical resources during the signature verification process. Exploiting this vulnerability can allow an attacker, working remotely, to gain unauthorized access to protected information...
Hancom Office 2020 Hword Docx XML parsing heap underflow vulnerability
Talos Vulnerability Report TALOS-2022-1574 Hancom Office 2020 Hword Docx XML parsing heap underflow vulnerability October 4, 2022 CVE Number CVE-2022-33896 SUMMARY A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A...
Researcher Spotlight: Globetrotting with Yuri Kramarz
From the World Cup in Qatar to robotics manufacturing in east Asia, this incident responder combines experience from multiple arenas By Jon Munshaw. Yuri “Jerzy” Kramarz helped secure everything from the businesses supporting the upcoming World Cup in Qatar to the Black Hat security conference an...
Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server
Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code...
Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server
Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code...
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...
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...
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...