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CVE-2011-3607 (GCVE-0-2011-3607)

Vulnerability from cvelistv5 – Published: 2011-11-08 11:00 – Updated: 2024-08-06 23:37
VLAI
Summary
Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://h20000.www2.hp.com/bizsupport/TechSupport/… vendor-advisoryx_refsource_HP
http://marc.info/?l=bugtraq&m=134987041210674&w=2 vendor-advisoryx_refsource_HP
https://bugs.launchpad.net/ubuntu/+source/apache2… x_refsource_CONFIRM
http://www.halfdog.net/Security/2011/ApacheModSet… x_refsource_MISC
http://rhn.redhat.com/errata/RHSA-2012-0543.html vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=750935 x_refsource_CONFIRM
http://marc.info/?l=bugtraq&m=133294460209056&w=2 vendor-advisoryx_refsource_HP
http://rhn.redhat.com/errata/RHSA-2012-0128.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://secunia.com/advisories/45793 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/50494 vdb-entryx_refsource_BID
http://rhn.redhat.com/errata/RHSA-2012-0542.html vendor-advisoryx_refsource_REDHAT
http://securitytracker.com/id?1026267 vdb-entryx_refsource_SECTRACK
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://support.apple.com/kb/HT5501 x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.fujitsu.com/global/support/software/se… x_refsource_CONFIRM
http://archives.neohapsis.com/archives/fulldisclo… mailing-listx_refsource_FULLDISC
http://www.halfdog.net/Security/2011/ApacheModSet… x_refsource_MISC
http://www.osvdb.org/76744 vdb-entryx_refsource_OSVDB
http://marc.info/?l=bugtraq&m=133494237717847&w=2 vendor-advisoryx_refsource_HP
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/48551 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2012/dsa-2405 vendor-advisoryx_refsource_DEBIAN
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
https://lists.apache.org/thread.html/54a42d4b0196… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/5df9bfb86a3b… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/8d63cb8e9100… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/f7f95ac1cd98… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r57608dc51b7… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r0276683d8e1… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r8828e649175… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfbaf647d52c… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rf6449464fd8… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9ea3538f229… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r688df6f16f1… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r2cb985de917… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9e862225418… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re2e23465bbd… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r1d201e3da31… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rdca61ae9906… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9f93cf6dde3… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rad01d817195… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r5f9c22f9c28… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r476d175be0a… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rb9c9f42dafa… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r75cbe9ea3e2… mailing-listx_refsource_MLIST
Date Public
2011-11-02 00:00
Show details on NVD website

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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow."
        },
        {
          "lang": "es",
          "value": "Desbordamiento de entero en la funci\u00f3n en ap_pregsub / util.c en el servidor HTTP Apache v2.0.x hasta la v2.0.64 y la v2.2.x hasta la v2.2.21, cuando el m\u00f3dulo mod_setenvif est\u00e1 activado, que permite a usuarios locales conseguir privilegios a trav\u00e9s de un archivo .htaccess que incluye una directiva SetEnvIf modificada, junto con un encabezado de solicitud HTTP manipulado, dando lugar a un desbordamiento de b\u00fafer basado en memoria din\u00e1mica."
        }
      ],
      "id": "CVE-2011-3607",
      "lastModified": "2024-11-21T01:30:50.460",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "LOCAL",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 4.4,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 3.4,
            "impactScore": 6.4,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": true,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": true
          }
        ]
      },
      "published": "2011-11-08T11:55:05.693",
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        {
          "source": "secalert@redhat.com",
          "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
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        {
          "source": "secalert@redhat.com",
          "url": "http://marc.info/?l=bugtraq\u0026m=133294460209056\u0026w=2"
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                "negate": false,
                "operator": "OR"
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            ]
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow."
          },
          {
            "lang": "es",
            "value": "Desbordamiento de entero en la funci\u00f3n en ap_pregsub / util.c en el servidor HTTP Apache v2.0.x hasta la v2.0.64 y la v2.2.x hasta la v2.2.21, cuando el m\u00f3dulo mod_setenvif est\u00e1 activado, que permite a usuarios locales conseguir privilegios a trav\u00e9s de un archivo .htaccess que incluye una directiva SetEnvIf modificada, junto con un encabezado de solicitud HTTP manipulado, dando lugar a un desbordamiento de b\u00fafer basado en memoria din\u00e1mica."
          }
        ],
        "id": "CVE-2011-3607",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 4.4,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 3.4,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": true,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ]
        },
        "published": "2011-11-08T11:55:05.693",
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          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-189"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-05-14T15:18:57+00:00",
      "cve": "CVE-2011-3607",
      "id": "CVE-2011-3607",
      "initial_release_date": "2011-11-02T00:00:00+00:00",
      "product_status:fixed": "267",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "httpd: ap_pregsub Integer overflow to buffer overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-3607.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T02:12:08Z",
      "cve": "CVE-2011-3607",
      "id": "CVE-2011-3607",
      "initial_release_date": "2023-02-15T05:50:42Z",
      "product_status:recommended": "259",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2011-3607",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-3607.json",
      "version": "13"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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