Emergency Response

Linux Kernel Privilege Escalation Vulnerability (CVE-2024-1086) Alert

March 29, 2024 | NSFOCUS

NSFOCUS CERT has detected that details and a proof-of-concept (PoC) tool for a Linux kernel privilege escalation vulnerability CVE-2024-1086, have been publicly disclosed recently. Due to a use-after-free vulnerability in the netfilter: nf_tables component of the Linux kernel, the nft_verdict_init() function allows the use of positive values as a drop error in the hook verdict. […]

Atlassian Confluence Path Traversal Vulnerability (CVE-2024-21677) Notice

March 21, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that Atlassian issued a security announcement and fixed the directory traversal vulnerability in Confluence Data Center and Server (CVE-2024-21677), with a CVSS score of 8.3. Unauthenticated attackers need to interact with users, and exploiting this vulnerability can have a great impact on the confidentiality, integrity, and availability of the target […]

Runc Container Escape Vulnerability Alert

February 2, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that the runc officially issued a security notice and fixed a container escaping vulnerability (CVE-2024-21626). Since the internal file descriptor of runc is leaked during initialization and the final working directory is not verified to be located in the mount namespace of the container, attackers can conduct container escaping in […]

Jenkins Arbitrary File Read Vulnerability (CVE-2024-23897) Notice

January 30, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that Jenkins issued a security announcement and fixed an arbitrary file reading vulnerability in the Jenkins CLI (CVE-2024-23897). Since one function of its CLI command parser is enabled by default in Jenkins, the specific parser function expandAtFiles can replace the character following the file path in the @ parameter with […]

GitLab Arbitrary File Write Vulnerability (CVE-2024-0402) Alert

January 26, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that GitLab officially released a security announcement and fixed an arbitrary file write vulnerability (CVE-2024-0402) in GitLab Community Edition (CE) and Enterprise Edition (EE). Due to path traversal issues, authenticated attackers can copy files to any location on the GitLab server when creating workspaces. The CVSS score is 9.9, affected […]

Confluence Remote Code Execution Vulnerability (CVE-2023-22527) Alert

January 17, 2024 | NSFOCUS

Overview On January 16, NSFOCUS CERT detected that Atlassian officially released a security announcement fixing the remote code execution vulnerability (CVE-2023-22522) in Confluence Data Center and Confluence Server. This vulnerability is caused by template injection. Unauthenticated attackers can inject malicious requests into Confluence pages to implement remote code execution on affected targets. The CVSS score […]

GitLab Arbitrary User Password Reset Vulnerability

January 13, 2024 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that GitLab officially released a security announcement and fixed multiple security vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE), including two serious vulnerabilities. Affected users should take protective measures as soon as possible. CVE-2023-7028: In GitLab CE/EE, users can reset their passwords through the auxiliary email address. Due […]

OpenSSH Command Injection Vulnerability (CVE-2023-51385) Alert

December 27, 2023 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that OpenSSH released a security update and fixed a command injection vulnerability caused by malicious shell characters (CVE-2023-51385), with a CVSS score of 9.8; Since there is no security filtering of username and hostname input represented by %h,%u in OpenSSH’s ProxyCommand command, command injection may occur if the username or […]

Apache OFBiz Arbitrary File Reading and Remote Code Execution Vulnerabilities (CVE-2023-50968/CVE-2023-51467) Alert

December 27, 2023 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that Apache officially released a security announcement and fixed two high-risk vulnerabilities in Apache Ofbiz. CVE-2023-50968: Due to problems in Apache Software Foundation, unauthorized attackers can read files and carry out SSRF attacks when operating uri calls; CVE-2023-51467: Due to a privilege verification logic error in Apache Ofbiz, an attacker […]

Apache ActiveMQ Jolokia Remote Code Execution Vulnerability (CVE-2022-41678) Notification

November 30, 2023 | NSFOCUS

Overview Recently, NSFOCUS CERT found a remote code execution vulnerability in Apache ActiveMQ Jolokia (CVE-2022-41678). In the configuration of ActiveMQ, jetty allows org.holokia.http.AgentServlet to process requests for/api/Jolokia. An authenticated attacker can send a specially crafted HTTP request to write a malicious file through the Jolokia service, thus implementing remote code execution. At present, the vulnerability […]