fkie_cve-2025-68972
Vulnerability from fkie_nvd
Published
2025-12-27 23:15
Modified
2025-12-29 17:15
Severity ?
5.9 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
Summary
In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds (although an "invalid armor" message is printed during verification). This is related to use of \f as a marker to denote truncation of a long plaintext line.
References
cve@mitre.orghttps://gpg.fail/formfeed
cve@mitre.orghttps://news.ycombinator.com/item?id=46404339
134c704f-9b21-4f2e-91b3-4a467353bcc0https://gpg.fail/formfeed
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In GnuPG through 2.4.8, if a signed message has \\f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds (although an \"invalid armor\" message is printed during verification). This is related to use of \\f as a marker to denote truncation of a long plaintext line."
    }
  ],
  "id": "CVE-2025-68972",
  "lastModified": "2025-12-29T17:15:47.977",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 4.0,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-12-27T23:15:40.900",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://gpg.fail/formfeed"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://news.ycombinator.com/item?id=46404339"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://gpg.fail/formfeed"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}


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