9.8

CVE-2022-39237: Digital Signature Hash Algorithms Not Validated in sylabs/sif

Modified
AliasesUBUNTU-CVE-2022-39237DEBIAN-CVE-2022-39237GHSA-m5m3-46gj-wch8
Published 06-10-2022Last modified 23-04-2025

Vulnerability summary

CVE-2022-39237 is a critical (CVSS 9.8) vulnerability in sylabs sif. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 51.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.65%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2023:0018-1OPENSUSE-SU-2024:14059-1

Timeline

  1. 06-10-2022
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.64% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Sylabs2 products
Ubuntu2 products
  • golang-github-sylabs-sifAll versions (No fix recorded)
  • singularity-containerAll versions (No fix recorded)
Alpine1 product
  • apptainer< 1.1.2-r0
Debian1 product
  • golang-github-sylabs-sif< 2.8.3-1
Github.com/sylabs/sif1 product
  • v2< 2.8.1
Opensuse1 product
  • apptainer&distro=openSUSE Tumbleweed< 1.1.2-1.1

6 vendors · 8 products

References

16 links
Show all 16 references