HOMEVULNERABILITIESCVE-2022-39237
CRITICAL

CVE-2022-39237

CWE-347Published: October 6, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-39237 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

sylabs1 product(s)
singularity image format
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaa
PATCHhttps://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaa
ADVISORYhttps://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8
ADVISORYhttps://security.gentoo.org/glsa/202210-19
ADVISORYhttps://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8
ADVISORYhttps://security.gentoo.org/glsa/202210-19

All References (6)

→
https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaaPatch · Third Party Advisory
→
https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8Third Party Advisory
→
https://security.gentoo.org/glsa/202210-19Third Party Advisory
→
https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaaPatch · Third Party Advisory
→
https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8Third Party Advisory
→
https://security.gentoo.org/glsa/202210-19Third Party Advisory

Quick Facts

CVE IDCVE-2022-39237
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-347
CISA KEVNo
Affected1 vendor(s)
PublishedOct 6, 2022

Related CVEs (CWE-347)

CVE-2026-56451
10.0
CVE-2024-32962
10.0
CVE-2026-48558
KEV10.0
CVE-2026-44748
9.9
CVE-2022-31207
9.8
CVE-2020-35169
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-39237 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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