CVE-2021-42341 Information

Description

checkpath in OpenRC before 0.44.7 uses the direct output of strlen() to allocate strings which does not account for the ‘\0’ byte at the end of the string. This results in memory corruption. CVE-2021-42341 was introduced in git commit 63db2d99e730547339d1bdd28e8437999c380cae which was introduced as part of OpenRC 0.44.0 development.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/OpenRC/openrc/issues/459 https://github.com/OpenRC/openrc/commit/bb8334104baf4d5a4a442a8647fb9204738f2204 https://bugs.gentoo.org/816900 https://github.com/OpenRC/openrc/pull/462 https://github.com/OpenRC/openrc/commit/63db2d99e730547339d1bdd28e8437999c380cae https://github.com/OpenRC/openrc/issues/418

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5