CVE-2022-39237
Improper validation of signature hash algorithms in github.com/sylabs/sif/v2
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.
How to fix CVE-2022-39237
To remediate CVE-2022-39237, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 2.8.1 or later
- —upgrade to 2.8.1 or later
Is CVE-2022-39237 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 2.8.1
- from 0, < 2.8.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |