Emergency Response

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 […]

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 […]

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 […]

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 […]

Overview Recently, NSFOCUS CERT found that Apache Arrow issued a security notice, which fixed an arbitrary code execution vulnerability in the PyArrow library (CVE-2023-47248). Due to PyArrow reading Arrow IPC, Feather, or Parquet data from untrusted sources, PyExtensionType creates an automatic loading feature that allows for deserialization of data from non PyArrow sources. When using […]

Overview Recently, NSFOCUS CERT monitored that Atlassian officially fixed an improper authentication vulnerability in the Atlassian Communication Data Center and Server (CVE-2023-22518). Unauthenticated remote attackers can bypass the authentication of the target system to a certain extent by constructing malicious requests and obtain the authority to take over the server through the backend interface, achieving […]

Overview Recently, NSFOCUS CERT monitored that F5 had released a security announcement to fix a remote code execution vulnerability in BIG-IP (CVE-2023-46747). Due to the problem of F5 BIG-IP forwarding AJP protocol through Apache httpd, requests were smuggled, which could bypass permission verification. Unauthenticated remote attackers can access the BIG-IP system through the BIG-IP management […]

Overview Recently, NSFOCUS CERT detected a sensitive information disclosure vulnerability in Citrix NetScaler ADC and Gateway (CVE-2023-4966). When the device is configured as a gateway (VPN virtual server, ICA proxy, CVPN, RDP proxy) or AAA virtual server, unauthorized remote attackers can exploit this vulnerability to access sensitive information and cause information leakage. The CVSS score […]

Overview Recently, NSFOCUS CERT found that the open source message middleware ActiveMQ developed by the Apache Software Foundation had an XML external entity injection vulnerability. Since the port 61616 was opened by default after the installation of ActiveMQ was started, and the TcpTransport function did not perform necessary checks on the data, an attacker could […]

Overview On October 11, NSFOCUS CERT monitored that Microsoft had released a security update patch for October, fixing 104 security problems, involving Microsoft WordPad, Skype for Business, Windows Layer 2 Tunneling Protocol, Microsoft Message Queuing and other widely used products, including high-risk vulnerability types such as privilege enhancement, remote code execution, etc. Among the vulnerabilities […]