CVE Vulnerability

CVE-2021-42341

checkpath in OpenRC before 0.44.7 uses the direct output of strlen() to allocate strings, which does not account for the '' 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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/OpenRC/openrc/issues/459 Exploit Patch
https://github.com/OpenRC/openrc/commit/bb8334104baf4d5a4a442a8647fb9204738f2204 Patch Third Party Advisory
https://bugs.gentoo.org/816900 Exploit Patch
https://github.com/OpenRC/openrc/pull/462 Patch Third Party Advisory
https://github.com/OpenRC/openrc/commit/63db2d99e730547339d1bdd28e8437999c380cae Patch Third Party Advisory
https://github.com/OpenRC/openrc/issues/418 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:openrc_project:openrc:*:*:*:*:*:*:*:*
Information

Published : 2021-10-14 05:15

Updated : 2021-10-20 07:03

NVD link : CVE-2021-42341

Mitre link : CVE-2021-42341

Products Affected
No products.
CWE
NVD-CWE-Other