Is CVE-2021-42341 in the CISA KEV catalog?

No. CVE-2021-42341 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42341?

CVE-2021-42341 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-42341?

CVE-2021-42341 has an EPSS score of 2.05% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42341?

Upgrade openrc to 0.44.7 or later.

CVE & CISA-KEV Catalog

CVE-2021-42341

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

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.

How to fix

Remediation Available

openrcNVD

Affected:>= 0.44.0, < 0.44.7Fixed in:0.44.7CVE-2021-42341derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.05%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch6

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.