gsd-2015-8777
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.
Aliases
Aliases
CVE-2015-8777


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-8777",
    "description": "The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.",
    "id": "GSD-2015-8777",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-8777.html",
      "https://www.debian.org/security/2016/dsa-3480",
      "https://access.redhat.com/errata/RHSA-2017:1916",
      "https://ubuntu.com/security/CVE-2015-8777",
      "https://advisories.mageia.org/CVE-2015-8777.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2015-8777.html",
      "https://linux.oracle.com/cve/CVE-2015-8777.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-8777"
      ],
      "details": "The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.",
      "id": "GSD-2015-8777",
      "modified": "2023-12-13T01:20:03.702510Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2015-8777",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
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      "data_version": "4.0",
      "description": {
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            "value": "The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable."
          }
        ]
      },
      "problemtype": {
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          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://www.ubuntu.com/usn/USN-2985-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2985-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2985-2",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2985-2"
          },
          {
            "name": "https://security.gentoo.org/glsa/201702-11",
            "refsource": "MISC",
            "url": "https://security.gentoo.org/glsa/201702-11"
          },
          {
            "name": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html",
            "refsource": "MISC",
            "url": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"
          },
          {
            "name": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html",
            "refsource": "MISC",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
          },
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
          },
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
          },
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
          },
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
          },
          {
            "name": "http://www.debian.org/security/2016/dsa-3480",
            "refsource": "MISC",
            "url": "http://www.debian.org/security/2016/dsa-3480"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2016/01/20/1",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
          },
          {
            "name": "http://www.securityfocus.com/bid/81469",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/81469"
          },
          {
            "name": "http://www.securitytracker.com/id/1034811",
            "refsource": "MISC",
            "url": "http://www.securitytracker.com/id/1034811"
          },
          {
            "name": "https://access.redhat.com/errata/RHSA-2017:1916",
            "refsource": "MISC",
            "url": "https://access.redhat.com/errata/RHSA-2017:1916"
          },
          {
            "name": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928",
            "refsource": "MISC",
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.22",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2015-8777"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-254"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
            },
            {
              "name": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html",
              "refsource": "MISC",
              "tags": [
                "Exploit"
              ],
              "url": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"
            },
            {
              "name": "[oss-security] 20160119 Re: CVE assignment request for security bugs fixed in glibc 2.23",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
            },
            {
              "name": "SUSE-SU-2016:0471",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
            },
            {
              "name": "SUSE-SU-2016:0472",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
            },
            {
              "name": "SUSE-SU-2016:0473",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
            },
            {
              "name": "SUSE-SU-2016:0470",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
            },
            {
              "name": "USN-2985-2",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-2985-2"
            },
            {
              "name": "USN-2985-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-2985-1"
            },
            {
              "name": "81469",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/81469"
            },
            {
              "name": "DSA-3480",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2016/dsa-3480"
            },
            {
              "name": "FEDORA-2016-0480defc94",
              "refsource": "FEDORA",
              "tags": [],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
            },
            {
              "name": "1034811",
              "refsource": "SECTRACK",
              "tags": [],
              "url": "http://www.securitytracker.com/id/1034811"
            },
            {
              "name": "GLSA-201702-11",
              "refsource": "GENTOO",
              "tags": [],
              "url": "https://security.gentoo.org/glsa/201702-11"
            },
            {
              "name": "RHSA-2017:1916",
              "refsource": "REDHAT",
              "tags": [],
              "url": "https://access.redhat.com/errata/RHSA-2017:1916"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW"
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2018-01-05T02:30Z",
      "publishedDate": "2016-01-20T05:59Z"
    }
  }
}


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