公告ID: KYLIN-2012-6711
安全等级: 中等
产品: Kylin V3
发布日期: 2019年6月18日
CVE: CVE-2012-6711
CVSS3评分: 7.0
概述:
None 描述:
A heap-based buffer overflow exists in GNU Bash before 4.3 when wide characters, not supported by the current locale set in the LC_CTYPE environment variable, are printed through the echo built-in function. A local attacker, who can provide data to print through the "echo -e" built-in function, may use this flaw to crash a script or execute code with the privileges of the bash process. This occurs because ansicstr() in lib/sh/strtrans.c mishandles u32cconv(). A heap-based buffer overflow was discovered in bash when wide characters, not supported by the current locale set in LC_CTYPE environment variable, are printed through the echo built-in function. A local attacker, who can provide data to print through the `echo -e` built-in function, may use this flaw to crash a script or execute code with the privileges of the bash process. 系统版本:
KYLIN 3.0.x
KYLIN 3.2.x
KYLIN 3.3.x
KYLIN 3.4.x
受影响包列表:
bash
bash
bash
bash