Joint Advisory Warns of PRC-Backed Cyber Espionage Targeting Telecom Networks

A joint advisory issued by Australia, Canada, New Zealand, and the U.S. has warned of a broad cyber espionage campaign undertaken by People's Republic of China PRC-affiliated threat actors targeting telecommunications providers. "Identified exploitations or compromises associated with these threa...

CISA and Partners Release Joint Guidance on PRC-Affiliated Threat Actor Compromising Networks of Global Telecommunications Providers

Today, CISA—in partnership with the National Security Agency NSA, the Federal Bureau of Investigation FBI, and international partners—released joint guidance, Enhanced Visibility and Hardening Guidance for Communications Infrastructure. Partners of this guidance include: Australian Signals...

CISA and Partners join ASD’S ACSC to Release Advisory on PRC State-Sponsored Group, APT 40

CISA has collaborated with the Australian Signals Directorate’s Australian Cyber Security Centre ASD's ACSC to release an advisory, People’s Republic of China PRC Ministry of State Security APT40 Tradecraft in Action outlining a PRC state-sponsored cyber group’s activity. The following...

People’s Republic of China (PRC) Ministry of State Security APT40 Tradecraft in Action

Overview Background This advisory, authored by the Australian Signals Directorate’s Australian Cyber Security Centre ASD’s ACSC, the United States Cybersecurity and Infrastructure Security Agency CISA, the United States National Security Agency NSA, the United States Federal Bureau of Investigati...

FBI and CISA publish guide to Living off the Land techniques

The Cybersecurity and Infrastructure Security Agency CISA, National Security Agency NSA, Federal Bureau of Investigation FBI, and other authoring agencies have released a joint guidance about common living off the land LOTL techniques and common gaps in cyber defense capabilities. Living Off The...

China’s Cyber Espionage Targets Semiconductor Giants in East Asia

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary In recent cyber espionage activities, threat actors affiliated with the Peoples Republic of China PRC have targeted semiconductor companies operating in Mandarin/Chinese-speaking regions of East Asia...

NSA, FBI, CISA, and Japanese Partners Release Advisory on PRC-Linked Cyber Actors

Today, the U.S. National Security Agency NSA, Federal Bureau of Investigation FBI, and Cybersecurity and Infrastructure Security Agency CISA, along with the Japan National Police Agency NPA and the Japan National Center of Incident Readiness and Strategy for Cybersecurity NISC released joint...

FBI confirms Barracuda patch is not effective for exploited ESG appliances

In an FBI Flash about a Barracuda ESG vulnerability, listed as CVE-2023-2868, the FBI has stated that the patches released by Barracuda in response to this CVE were ineffective for anyone previously infected. Although both Barracude and Mandiant have already made this determination, the agency sa...

The vulnerability of the `write_status_text_and_buffer` function in the `prc.c` component of the GnuPG information encryption and digital signatures generation program allows a perpetrator to access confidential data and compromise its integrity.

The vulnerability of the writestatustextandbuffer function in the prc.c component of the GnuPG information encryption and digital signatures generation program involves insufficient elimination of special elements in the request. Exploiting this vulnerability allows a malicious actor to gain acce...

Barracuda Email Security Gateway < 9.2.0.008 Command Injection (CVE-2023-2868)

According to its self-reported version, the Barracuda Email Security Gateway on the remote web server is 9.2.0.008. It is, therefore, affected by a command injection vulnerability in the processing of .tar files that could allow a remote, unauthenticated attacker to execute arbitrary commands wit...

Top CVEs Actively Exploited By People’s Republic of China State-Sponsored Cyber Actors

Summary This joint Cybersecurity Advisory CSA provides the top Common Vulnerabilities and Exposures CVEs used since 2020 by People’s Republic of China PRC state-sponsored cyber actors as assessed by the National Security Agency NSA, Cybersecurity and Infrastructure Security Agency CISA, and Feder...

Pro-China Group Uses Dragonbridge Campaign to Target Rare Earth Mining Companies

A pro-China influence campaign singled out rare earth mining companies in Australia, Canada, and the U.S. with negative messaging in an unsuccessful attempt to manipulate public discourse to China's benefit. Targeted firms included Australia's Lynas Rare Earths Ltd, Canada's Appia Rare Earths &...

People’s Republic of China State-Sponsored Cyber Actors Exploit Network Providers and Devices

Summary Best Practices • Apply patches as soon as possible • Disable unnecessary ports and protocols • Replace end-of-life infrastructure • Implement a centralized patch management system This joint Cybersecurity Advisory describes the ways in which People’s Republic of China PRC state-sponsored...

CVE-2021-44046

An out-of-bounds write vulnerability exists when reading U3D files in Open Design Alliance PRC SDK before 2022.11. An unchecked return value of a function verifying input data from a U3D file leads to an out-of-bounds write. An attacker can leverage this vulnerability to execute code in the conte...

CVE-2021-44046

An out-of-bounds write vulnerability exists when reading U3D files in Open Design Alliance PRC SDK before 2022.11. An unchecked return value of a function verifying input data from a U3D file leads to an out-of-bounds write. An attacker can leverage this vulnerability to execute code in the conte...

CVE-2021-44046

An out-of-bounds write vulnerability exists when reading U3D files in Open Design Alliance PRC SDK before 2022.11. An unchecked return value of a function verifying input data from a U3D file leads to an out-of-bounds write. An attacker can leverage this vulnerability to execute code in the conte...

Out-of-bounds

An out-of-bounds write vulnerability exists when reading U3D files in Open Design Alliance PRC SDK before 2022.11. An unchecked return value of a function verifying input data from a U3D file leads to an out-of-bounds write. An attacker can leverage this vulnerability to execute code in the conte...

CVE-2021-44046

An out-of-bounds write vulnerability exists when reading U3D files in Open Design Alliance PRC SDK before 2022.11. An unchecked return value of a function verifying input data from a U3D file leads to an out-of-bounds write. An attacker can leverage this vulnerability to execute code in the conte...

CVE-2021-44046

The CVE-2021-44046 entry corresponds to an out-of-bounds write vulnerability in Open Design Alliance’s PRC SDK (pre-2022.11) triggered by parsing U3D files, caused by an unchecked return value while verifying U3D data. Public connected sources identify exploitation against affected components suc...

CVE-2021-43581

An Out-of-Bounds Read vulnerability exists when reading a U3D file using Open Design Alliance PRC SDK before 2022.11. The specific issue exists within the parsing of U3D files. Incorrect use of the LibJpeg source manager inside the U3D library, and crafted data in a U3D file, can trigger a read...