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CVE-2010-3856 (GCVE-0-2010-3856)

Vulnerability from cvelistv5 – Published: 2011-01-07 18:00 – Updated: 2025-02-13 16:27
VLAI
Summary
ld.so in the GNU C Library (aka glibc or libc6) before 2.11.3, and 2.12.x before 2.12.2, does not properly restrict use of the LD_AUDIT environment variable to reference dynamic shared objects (DSOs) as audit objects, which allows local users to gain privileges by leveraging an unsafe DSO located in a trusted library directory, as demonstrated by libpcprofile.so.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://seclists.org/fulldisclosure/2010/Oct/344 mailing-listx_refsource_FULLDISC
http://www.securityfocus.com/bid/44347 vdb-entryx_refsource_BID
http://security.gentoo.org/glsa/glsa-201011-01.xml vendor-advisoryx_refsource_GENTOO
http://www.vmware.com/security/advisories/VMSA-20… x_refsource_CONFIRM
http://support.avaya.com/css/P8/documents/100121017 x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=645672 x_refsource_CONFIRM
http://www.redhat.com/support/errata/RHSA-2010-08… vendor-advisoryx_refsource_REDHAT
https://lists.opensuse.org/opensuse-security-anno… vendor-advisoryx_refsource_SUSE
https://www.exploit-db.com/exploits/44025/ exploitx_refsource_EXPLOIT-DB
http://www.debian.org/security/2010/dsa-2122 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-1009-1 vendor-advisoryx_refsource_UBUNTU
http://sourceware.org/ml/libc-hacker/2010-10/msg0… mailing-listx_refsource_MLIST
http://www.securityfocus.com/archive/1/515545/100… mailing-listx_refsource_BUGTRAQ
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/42787 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2011/0025 vdb-entryx_refsource_VUPEN
https://rhn.redhat.com/errata/RHSA-2010-0793.html vendor-advisoryx_refsource_REDHAT
http://seclists.org/fulldisclosure/2019/Jun/18 mailing-listx_refsource_FULLDISC
https://seclists.org/bugtraq/2019/Jun/14 mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/153278/WAGO-… x_refsource_MISC
http://www.openwall.com/lists/oss-security/2023/07/19/9
http://seclists.org/fulldisclosure/2023/Jul/31
http://www.openwall.com/lists/oss-security/2023/07/20/1
http://packetstormsecurity.com/files/173661/OpenS…
Date Public
2010-10-22 00:00
Show details on NVD website
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "ld.so in the GNU C Library (aka glibc or libc6) before 2.11.3, and 2.12.x before 2.12.2, does not properly restrict use of the LD_AUDIT environment variable to reference dynamic shared objects (DSOs) as audit objects, which allows local users to gain privileges by leveraging an unsafe DSO located in a trusted library directory, as demonstrated by libpcprofile.so."
          },
          {
            "lang": "es",
            "value": "ld.so en la librer\u00eda de GNU C (tambi\u00e9n conocida como glibc o libc6) anteriores a v2.11.3, y v2.12.x anteriores a v2.12.2, no restringen el uso de la variable de entorno LD_AUDIT para hacer referencia a objetos din\u00e1micos compartidos (DSO) como objetos de auditor\u00eda,  que permite a usuarios locales conseguir privilegios mediante el aprovechamiento de un DSO inseguros ubicado en un directorio de la librer\u00eda de confianza, como lo demuestra libpcprofile.so."
          }
        ],
        "id": "CVE-2010-3856",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.2,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-01-07T19:00:17.843",
        "references": [
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            "source": "secalert@redhat.com",
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            "url": "https://www.exploit-db.com/exploits/44025/"
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        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T13:00:34+00:00",
      "cve": "CVE-2010-3856",
      "id": "CVE-2010-3856",
      "initial_release_date": "2010-10-22T00:00:00+00:00",
      "product_status:fixed": "402",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "glibc: ld.so arbitrary DSO loading via LD_AUDIT in setuid/setgid programs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-3856.json",
      "version": "3"
    }
  }
}



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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.


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.