CVE-2011-1764 (GCVE-0-2011-1764)

Vulnerability from cvelistv5 – Published: 2011-10-05 01:00 – Updated: 2024-08-06 22:37
VLAI
Summary
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1026 records in the last 180 days details
References
Date Public
2011-05-05 00:00
Show details on NVD website

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                  },
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                    "vulnerable": true
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                    "matchCriteriaId": "CCD8FE2F-8D53-407A-BB83-EB7725456D71",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.67:*:*:*:*:*:*:*",
                    "matchCriteriaId": "162F5CB4-1931-4236-8519-DD63A98BCEE0",
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                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.68:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9EF06704-E078-42FA-89DA-7BCA169D0E5B",
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                  },
                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.69:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B8F2CB6E-1ED1-4E56-9532-30D2BA6A53DD",
                    "vulnerable": true
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                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.70:*:*:*:*:*:*:*",
                    "matchCriteriaId": "452E9C94-B7FF-40A9-A7F9-FC38824F6135",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.71:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A8EB3709-D51F-46D1-99B8-CFB4C2275077",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.72:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CBDB2156-072B-4392-9DC8-266FF1B8C7A4",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "02F8A053-4578-4C45-A193-C188E45ED010",
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                  {
                    "criteria": "cpe:2.3:a:exim:exim:4.74:*:*:*:*:*:*:*",
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                    "vulnerable": true
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character."
          },
          {
            "lang": "es",
            "value": "Vulnerabilidad de formato de cadena en la funci\u00f3n dkim_exim_verify_finish de src/dkim.c de Exim en versiones anteriores a 4.76. Puede permitir a atacantes remotos ejecutar c\u00f3digo arbitrario o provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de especificadores de formato de cadena en datos usados en el logging DKIM, tal como se ha demostrado en un campo identity que contenga un car\u00e1cter % (tanto por ciento)."
          }
        ],
        "id": "CVE-2011-1764",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 7.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-10-05T02:56:24.707",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch"
            ],
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch"
            ],
            "url": "http://bugs.exim.org/show_bug.cgi?id=1106"
          },
          {
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            "tags": [
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            "url": "http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/51155"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2011/dsa-2232"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702474"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "http://bugs.exim.org/show_bug.cgi?id=1106"
          },
          {
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            "tags": [
              "Patch"
            ],
            "url": "http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8"
          },
          {
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html"
          },
          {
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            "url": "http://secunia.com/advisories/51155"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2011/dsa-2232"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702474"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-134"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:55:38+00:00",
      "cve": "CVE-2011-1764",
      "id": "CVE-2011-1764",
      "initial_release_date": "2011-04-29T00:00:00+00:00",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "exim: improper format string handling in DKIM signatures",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-1764.json",
      "version": "3"
    }
  }
}



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