CVE-2022-39237

Digital Signature Hash Algorithms Not Validated in sylabs/sif

Description

syslabs/sif is the Singularity Image Format (SIF) reference implementation. In versions prior to 2.8.1the `github.com/sylabs/sif/v2/pkg/integrity` package did not verify that the hash algorithm(s) used are cryptographically secure when verifying digital signatures. A patch is available in version >= v2.8.1 of the module. Users are encouraged to upgrade. Users unable to upgrade may independently validate that the hash algorithm(s) used for metadata digest(s) and signature hash are cryptographically secure.

Categories

6.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory gentoo.org
Affected: sylabs sif
Published at:
Updated at:

References

Link Tags
https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8 third party advisory
https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaa third party advisory patch
https://security.gentoo.org/glsa/202210-19 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-39237?
CVE-2022-39237 has been scored as a medium severity vulnerability.
How to fix CVE-2022-39237?
To fix CVE-2022-39237, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39237 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-39237 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39237?
CVE-2022-39237 affects sylabs sif.
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