FKIE_CVE-2013-4351

Vulnerability from fkie_nvd - Published: 2013-10-10 00:55 - Updated: 2026-04-29 01:13
Severity
Summary
GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2013-1459.html
secalert@redhat.comhttp://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138
secalert@redhat.comhttp://ubuntu.com/usn/usn-1987-1
secalert@redhat.comhttp://www.debian.org/security/2013/dsa-2773
secalert@redhat.comhttp://www.debian.org/security/2013/dsa-2774
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2013/09/13/4
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1010137
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2013-10/msg00006.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-1459.html
af854a3a-2127-422b-91ae-364da2661108http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138
af854a3a-2127-422b-91ae-364da2661108http://ubuntu.com/usn/usn-1987-1
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2773
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2774
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/09/13/4
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1010137
Impacted products
Vendor Product Version
gnupg gnupg 1.4.0
gnupg gnupg 1.4.2
gnupg gnupg 1.4.3
gnupg gnupg 1.4.4
gnupg gnupg 1.4.5
gnupg gnupg 1.4.6
gnupg gnupg 1.4.8
gnupg gnupg 1.4.10
gnupg gnupg 1.4.11
gnupg gnupg 1.4.12
gnupg gnupg 1.4.13
gnupg gnupg 2.0
gnupg gnupg 2.0.1
gnupg gnupg 2.0.3
gnupg gnupg 2.0.4
gnupg gnupg 2.0.5
gnupg gnupg 2.0.6
gnupg gnupg 2.0.7
gnupg gnupg 2.0.8
gnupg gnupg 2.0.10
gnupg gnupg 2.0.11
gnupg gnupg 2.0.12
gnupg gnupg 2.0.13
gnupg gnupg 2.0.14
gnupg gnupg 2.0.15
gnupg gnupg 2.0.16
gnupg gnupg 2.0.17
gnupg gnupg 2.0.18
gnupg gnupg 2.0.19
gnupg gnupg 2.1.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey."
    },
    {
      "lang": "es",
      "value": "GnuPG 1.4.x, y 2.1.x trata un subpaquete de flags clave con todos los bits a 0 (sin uso permitido) como si tuviera todos los bits establecidos (todo uso permitido) lo que permitir\u00eda a atacantes remotos evadir mecanismos de protecci\u00f3n criptogr\u00e1fica intencionada mediante el aprovechamiento de la subclave."
    }
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  "id": "CVE-2013-4351",
  "lastModified": "2026-04-29T01:13:23.040",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2013-10-10T00:55:15.023",
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.