CVE-2012-4505 (GCVE-0-2012-4505)

Vulnerability from cvelistv5 – Published: 2012-11-11 11:00 – Updated: 2024-08-06 20:35
VLAI
Summary
Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x allows remote servers to have an unspecified impact via a crafted Content-Length size in an HTTP response header for a proxy.pac file request, a different vulnerability than CVE-2012-4504.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://lists.opensuse.org/opensuse-updates/2012-1… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/51048 third-party-advisoryx_refsource_SECUNIA
http://rhn.redhat.com/errata/RHSA-2012-1461.html vendor-advisoryx_refsource_REDHAT
https://groups.google.com/forum/?fromgroups=#%21t… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1629-1 vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2012/10/12/1 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2012/10/12/5 mailing-listx_refsource_MLIST
http://www.debian.org/security/2012/dsa-2571 vendor-advisoryx_refsource_DEBIAN
http://secunia.com/advisories/51180 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/51308 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/55910 vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2012/10/16/3 mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=864612 x_refsource_CONFIRM
Date Public
2012-10-10 00:00
Show details on NVD website
To clipboard 

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            "value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n px_pac_reload en lib/pac.c en libproxy v0.2.x y v0.3.x permite que los servidores remotos tengan un impacto no especificado a trav\u00e9s de un tama\u00f1o Content-Length modificado en un encabezado de respuesta HTTP para una solicitud de archivo proxy.pac, una vulnerabilidad diferente a CVE-2012-4504."
          }
        ],
        "id": "CVE-2012-4505",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 10.0,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-11-11T13:00:49.963",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1461.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/51048"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/51180"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/51308"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2012/dsa-2571"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2012/10/12/1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2012/10/12/5"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2012/10/16/3"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/55910"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-1629-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=864612"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1461.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/51048"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/51180"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/51308"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2012/dsa-2571"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2012/10/12/1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2012/10/12/5"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2012/10/16/3"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/55910"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-1629-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=864612"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:49:23+00:00",
      "cve": "CVE-2012-4505",
      "id": "CVE-2012-4505",
      "initial_release_date": "2012-10-12T00:00:00+00:00",
      "product_status:fixed": "301",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libproxy: PAC handling insufficient content length check leading to buffer overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-4505.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-01T02:24:01Z",
      "cve": "CVE-2012-4505",
      "id": "CVE-2012-4505",
      "initial_release_date": "2023-02-15T05:44:39Z",
      "product_status:recommended": "44",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-4505",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-4505.json",
      "version": "7"
    }
  }
}



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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.



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.