Resposta de Emergência

Overview Recently, NSFOCUS CERT found that the PoC of Linux Kernel privilege escalation vulnerability (CVE-2023-32233) was publicly disclosed online. There is a use-after-free vulnerability in Linux kernel’s subsystem Netfilter nf_tables, which can be exploited by authenticated local attackers to perform arbitrary read and write operations in kernel memory, ultimately elevating permissions to ROOT. The CVSS […]

Overview Recently, NSFOCUS CERT monitored that GitLab officially issued a security notice, and fixed a code execution vulnerability in GitLab Community Edition (CE) and Enterprise Edition (EE) (CVE-2023-2478). Remote attackers with low privileges can add malicious Runners to any project of the instance through GraphQL endpoints, further exploiting the ability to execute arbitrary code or […]

Overview Recently, NSFOCUS CERT found that Strapi has officially issued a security notice, which fixes several Strapi security vulnerabilities. Due to a flaw in the Strapi system, when there are any entries created or updated by super administrator users on publicly accessed entries, attackers can execute arbitrary code on the target system by combining the […]

Overview Recently, NSFOCUS CERT found that Spring officially issued a security notice, which fixed a Spring Boot authentication bypass vulnerability (CVE-2023-20873). When Spring Boot is deployed to Cloud Foundry and there is code/cloudFoundryapplication/* * that can handle matching requests, and used in conjunction with a catch all request mapping that matches/* *, unauthenticated remote attackers […]

Overview Recently, NSFOCUS CERT found that an Apache Druid remote code execution vulnerability was publicly disclosed online. Under default configuration, Apache Druid supports loading data from Kafka. Unauthenticated remote attackers can implement JNDI injection attacks by modifying Kafka connection configuration properties, ultimately leading to the execution of arbitrary code on the server. Affected users should […]

Overview Recently, NSFOCUS CERT found that Google officially fixed an integer overflow vulnerability in Chrome Skia (CVE-2023-2136). Due to a flaw in Skia, when the value exceeds the maximum limit of integer type due to arithmetic operations, an integer overflow will occur. The attacker triggers this vulnerability by inducing users to open a specially crafted […]

Overview Recently, NSFOCUS CERT found that Oracle officially issued a security notice to fix a remote code execution vulnerability in Oracle WebLogic Server (CVE-2023-21931). Due to a flaw in the getObject Instance () method of the WLNamingManager class in WebLogic, in the default configuration, unauthenticated remote attackers can pass in specific objects through T3/IIOP, ultimately […]

Overview Recently, NSFOCUS CERT found that the analysis article of Apache Solr remote code execution vulnerability was publicly disclosed on the Internet. When Solr is launched in cloud mode and can go offline, an unauthenticated remote attacker can execute arbitrary code on the target system by sending multiple specially crafted packets. Please take measures to […]

Overview On April 17, NSFOCUS CERT found that Google officially fixed a Chrome V8 type confusion vulnerability (CVE-2023-2033). Due to flaws in the verification of the data type being used by the application, type confusion can occur during the process. Attackers can trigger this vulnerability by sending a crafted link that successfully induces users to […]

Overview NSFOCUS CERT recently monitored that Microsoft had released a security update patch for April, which fixed 97 security issues, involving Microsoft Word, Layer2 Tunneling Protocol, Microsoft Publisher, Windows Kernel and other widely used products, including high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed in Microsoft’s monthly updates […]