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GHSA-m5m3-46gj-wch8: SIF's Digital Signature Hash Algorithms Not Validated

Impact

The github.com/sylabs/sif/v2/pkg/integrity package does not verify that the hash algorithm(s) used are cryptographically secure when verifying digital signatures.

Patches

A patch is available in version >= v2.8.1 of the module. Users are encouraged to upgrade.

Workarounds

Users may independently validate that the hash algorithm(s) used for metadata digest(s) and signature hash are cryptographically secure.

References

For more information

If you have any questions or comments about this advisory:

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SIF’s Digital Signature Hash Algorithms Not Validated

Moderate severity GitHub Reviewed Published Oct 6, 2022 in sylabs/sif • Updated Oct 6, 2022

Related news

CVE-2022-39237: Digital Signature Hash Algorithms Not Validated

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.

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