CVE-2021-35942

描述

The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.

如何修補 CVE-2021-35942

要修補 CVE-2021-35942,請將受影響套件升級到下列已修補版本。

• Debian/glibc—升級至 2.31-13 或更新版本

CVE-2021-35942 正在被利用嗎?

低 — EPSS 為 2.7%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 2.31-13

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-35942