Vulnerability-Lookup

GHSA-5RJG-PF4Q-HGCR

Vulnerability from github – Published: 2025-03-19 21:30 – Updated: 2025-03-19 21:30

Details

In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."

Severity

2.7 (Low)


                  
                    CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L

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{
  "affected": [],
  "aliases": [
    "CVE-2025-30258"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-19T20:15:20Z",
    "severity": "LOW"
  },
  "details": "In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a \"verification DoS.\"",
  "id": "GHSA-5rjg-pf4q-hgcr",
  "modified": "2025-03-19T21:30:52Z",
  "published": "2025-03-19T21:30:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30258"
    },
    {
      "type": "WEB",
      "url": "https://dev.gnupg.org/T7527"
    },
    {
      "type": "WEB",
      "url": "https://dev.gnupg.org/rG48978ccb4e20866472ef18436a32744350a65158"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnupg.org/pipermail/gnupg-announce/2025q1/000491.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-30258 (GCVE-0-2025-30258)

Vulnerability from cvelistv5 – Published: 2025-03-19 00:00 – Updated: 2025-03-19 20:49

Summary

Severity

2.7 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-19 20:49 UTC

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

mitre mitre root

References

3 references

URL	Tags
https://lists.gnupg.org/pipermail/gnupg-announce/…
https://dev.gnupg.org/T7527
https://dev.gnupg.org/rG48978ccb4e20866472ef18436…

Impacted products

1 product

Vendor	Product	Version
GnuPG	GnuPG	Affected: 0 , < 2.5.5 (semver) cpe:2.3:a:gnupg:gnupg::::::::

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JSON

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  "containers": {
    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-30258",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-19T20:49:18.249360Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2025-03-19T20:49:22.417Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "vendor": "GnuPG",
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              "status": "affected",
              "version": "0",
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              "operator": "OR"
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      ],
      "metrics": [
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            "baseSeverity": "LOW",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.