安全公告/【CVE-2023-4911】

基本信息

漏洞描述

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

漏洞判定

执行命令yum info PackageName获取软件包版本号，版本小于修复版本，则受此漏洞影响，版本大于等于修复版本，则此漏洞已修复

修复方式

yum update PackageName

参考

https://access.redhat.com/security/cve/CVE-2023-4911 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4911 https://nvd.nist.gov/vuln/detail/CVE-2023-4911