CVE-2013-7439 (GCVE-0-2013-7439)

Vulnerability from cvelistv5 – Published: 2015-04-16 14:00 – Updated: 2024-08-06 18:09
VLAI
Summary
Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
canonical CNA under the mitre root
CNA scorecard B 82/100 over 60 records in the last 180 days details
References
URL Tags
http://www.ubuntu.com/usn/USN-2568-1 vendor-advisoryx_refsource_UBUNTU
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.securityfocus.com/bid/73962 vdb-entryx_refsource_BID
http://www.debian.org/security/2015/dsa-3224 vendor-advisoryx_refsource_DEBIAN
http://seclists.org/oss-sec/2015/q2/81 mailing-listx_refsource_MLIST
http://lists.x.org/archives/xorg-announce/2015-Ap… mailing-listx_refsource_MLIST
https://bugs.freedesktop.org/show_bug.cgi?id=56508 x_refsource_CONFIRM
Date Public
2015-04-08 00:00
Show details on NVD website
To clipboard 

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            "value": "M\u00faltiples errores de superaci\u00f3n de l\u00edmite (off-by-one) en los macros (1) MakeBigReq y (2) SetReqLen en include/X11/Xlibint.h en X11R6.x y libX11 anterior a 1.6.0 permiten a atacantes remotos tener un impacto no especificado a trav\u00e9s de una solicitud manipulada, lo que provoca un desbordamiento de buffer."
          }
        ],
        "id": "CVE-2013-7439",
        "lastModified": "2026-05-06T22:30:45.220",
        "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": "2015-04-16T14:59:00.070",
        "references": [
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://lists.x.org/archives/xorg-announce/2015-April/002561.html"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://seclists.org/oss-sec/2015/q2/81"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3224"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/73962"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2568-1"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugs.freedesktop.org/show_bug.cgi?id=56508"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://lists.x.org/archives/xorg-announce/2015-April/002561.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://seclists.org/oss-sec/2015/q2/81"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3224"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/73962"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2568-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugs.freedesktop.org/show_bug.cgi?id=56508"
          }
        ],
        "sourceIdentifier": "security@ubuntu.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-189"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-11-06T09:11:58+00:00",
      "cve": "CVE-2013-7439",
      "id": "CVE-2013-7439",
      "initial_release_date": "2013-03-09T00:00:00+00:00",
      "product_status:fixed": "854",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libX11: buffer overflow in MakeBigReq macro",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-7439.json",
      "version": "3"
    }
  }
}



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Sightings

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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.
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  • 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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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