CVE-2021-42341 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-42341
NVD Published Date:
10/14/2021
NVD Last Modified:
10/20/2021
Source:
MITRE