Vulnerability-Lookup

CVE-2015-8777 (GCVE-0-2015-8777)

Vulnerability from cvelistv5 – Published: 2016-01-20 02:00 – Updated: 2024-08-06 08:29

Summary

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.

Severity

5.5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CWE

Assigner

redhat redhat root

References

15 references

URL	Tags
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2017:1916	vendor-advisoryx_refsource_REDHAT
http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2985-2	vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2016/01/20/1	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201702-11	vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/81469	vdb-entryx_refsource_BID
https://sourceware.org/bugzilla/show_bug.cgi?id=18928	x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://www.debian.org/security/2016/dsa-3480	vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2985-1	vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1034811	vdb-entryx_refsource_SECTRACK

Date Public

2015-09-05 00:00

Show details on NVD website

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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2016/dsa-3480"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/81469"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securitytracker.com/id/1034811"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2985-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2985-2"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://access.redhat.com/errata/RHSA-2017:1916"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://security.gentoo.org/glsa/201702-11"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2016/dsa-3480"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/81469"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id/1034811"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2985-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2985-2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2017:1916"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/201702-11"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-254"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T12:11:08+00:00",
      "cve": "CVE-2015-8777",
      "id": "CVE-2015-8777",
      "initial_release_date": "2015-09-05T00:00:00+00:00",
      "product_status:fixed": "480",
      "product_status:known_affected": "9",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "glibc: LD_POINTER_GUARD in the environment is not sanitized",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-8777.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-01T02:24:32Z",
      "cve": "CVE-2015-8777",
      "id": "CVE-2015-8777",
      "initial_release_date": "2023-02-15T05:11:01Z",
      "product_status:known_affected": "321",
      "product_status:known_not_affected": "133",
      "product_status:recommended": "1418",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-8777",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-8777.json",
      "version": "39"
    }
  }
}

CNVD-2016-00461

Vulnerability from cnvd - Published: 2016-01-26

Title

GNU C Library安全机制绕过漏洞

Description

glibc是GNU发布的libc库，即c运行库。 GNU C Library的elf/rtld.c内的函数process_envvars存在安全漏洞，本地攻击者通过LD_POINTER_GUARD环境变量内的零值，可绕过指针防护保护机制。

Severity

低

Patch Name

GNU C Library安全机制绕过漏洞的补丁

Patch Description

glibc是GNU发布的libc库，即c运行库。 GNU C Library的elf/rtld.c内的函数process_envvars存在安全漏洞，本地攻击者通过LD_POINTER_GUARD环境变量内的零值，可绕过指针防护保护机制。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html

Reference

http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html

Impacted products

Name
GNU glibc <2.23

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8777"
    }
  },
  "description": "glibc\u662fGNU\u53d1\u5e03\u7684libc\u5e93\uff0c\u5373c\u8fd0\u884c\u5e93\u3002\r\n\r\nGNU C Library\u7684elf/rtld.c\u5185\u7684\u51fd\u6570process_envvars\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u901a\u8fc7LD_POINTER_GUARD\u73af\u5883\u53d8\u91cf\u5185\u7684\u96f6\u503c\uff0c\u53ef\u7ed5\u8fc7\u6307\u9488\u9632\u62a4\u4fdd\u62a4\u673a\u5236\u3002",
  "discovererName": "unknown",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://hmarco.org/bugs/glibc_ptr_mangle_weakness.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00461",
  "openTime": "2016-01-26",
  "patchDescription": "glibc\u662fGNU\u53d1\u5e03\u7684libc\u5e93\uff0c\u5373c\u8fd0\u884c\u5e93\u3002\r\n\r\nGNU C Library\u7684elf/rtld.c\u5185\u7684\u51fd\u6570process_envvars\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u901a\u8fc7LD_POINTER_GUARD\u73af\u5883\u53d8\u91cf\u5185\u7684\u96f6\u503c\uff0c\u53ef\u7ed5\u8fc7\u6307\u9488\u9632\u62a4\u4fdd\u62a4\u673a\u5236\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "GNU C Library\u5b89\u5168\u673a\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU glibc \u003c2.23"
  },
  "referenceLink": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html",
  "serverity": "\u4f4e",
  "submitTime": "2016-01-21",
  "title": "GNU C Library\u5b89\u5168\u673a\u5236\u7ed5\u8fc7\u6f0f\u6d1e"
}

FKIE_CVE-2015-8777

Vulnerability from fkie_nvd - Published: 2016-01-20 05:59 - Updated: 2026-06-17 00:35

Severity

5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Summary

References

URL	Tags
secalert@redhat.com	http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html	Exploit
secalert@redhat.com	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
secalert@redhat.com	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
secalert@redhat.com	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
secalert@redhat.com	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
secalert@redhat.com	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
secalert@redhat.com	http://www.debian.org/security/2016/dsa-3480
secalert@redhat.com	http://www.openwall.com/lists/oss-security/2016/01/20/1
secalert@redhat.com	http://www.securityfocus.com/bid/81469
secalert@redhat.com	http://www.securitytracker.com/id/1034811
secalert@redhat.com	http://www.ubuntu.com/usn/USN-2985-1
secalert@redhat.com	http://www.ubuntu.com/usn/USN-2985-2
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2017:1916
secalert@redhat.com	https://security.gentoo.org/glsa/201702-11
secalert@redhat.com	https://sourceware.org/bugzilla/show_bug.cgi?id=18928
af854a3a-2127-422b-91ae-364da2661108	http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html	Exploit
af854a3a-2127-422b-91ae-364da2661108	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
af854a3a-2127-422b-91ae-364da2661108	http://www.debian.org/security/2016/dsa-3480
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/01/20/1
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/81469
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1034811
af854a3a-2127-422b-91ae-364da2661108	http://www.ubuntu.com/usn/USN-2985-1
af854a3a-2127-422b-91ae-364da2661108	http://www.ubuntu.com/usn/USN-2985-2
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2017:1916
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/201702-11
af854a3a-2127-422b-91ae-364da2661108	https://sourceware.org/bugzilla/show_bug.cgi?id=18928

Impacted products

	Vendor	Product	Version
	gnu	glibc	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E1E32895-9C7B-4DE8-9BB5-0177406EB761",
              "versionEndIncluding": "2.22",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "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."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n process_envvars en elf/rtld.c en la GNU C Library (tambi\u00e9n conocida como glibc o libc6) en versiones anteriores a 2.23 permite a usuarios locales eludir un mecanismo de protecci\u00f3n de puntero a trav\u00e9s de un valor cero de la variable de entorno LD_POINTER_GUARD."
    }
  ],
  "id": "CVE-2015-8777",
  "lastModified": "2026-06-17T00:35:13.493",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-01-20T05:59:01.237",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit"
      ],
      "url": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2016/dsa-3480"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/81469"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id/1034811"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.ubuntu.com/usn/USN-2985-1"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.ubuntu.com/usn/USN-2985-2"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2017:1916"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://security.gentoo.org/glsa/201702-11"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3480"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/81469"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034811"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ubuntu.com/usn/USN-2985-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ubuntu.com/usn/USN-2985-2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2017:1916"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201702-11"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-254"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-2GQ8-953M-FQR3

Vulnerability from github – Published: 2022-05-14 03:58 – Updated: 2022-05-14 03:58

Details

Severity

5.5 (Medium)


                  
                    CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2015-8777"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-01-20T05:59:00Z",
    "severity": "MODERATE"
  },
  "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": "GHSA-2gq8-953m-fqr3",
  "modified": "2022-05-14T03:58:22Z",
  "published": "2022-05-14T03:58:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-8777"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:1916"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201702-11"
    },
    {
      "type": "WEB",
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=18928"
    },
    {
      "type": "WEB",
      "url": "http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3480"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/20/1"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/81469"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1034811"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2985-1"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2985-2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2015-8777

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2015-8777

Aliases

CVE-2015-8777

JSON

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",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
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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": {
        "problemtype_data": [
          {
            "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"
    }
  }
}

OPENSUSE-SU-2024:10154-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00

Summary

glibc-2.24-2.3 on GA media

Severity

Moderate

Scope

31 vulnerabilities in this advisory, including CVE-2015-8777.

CVE-2015-8777

5.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Recommended: 72 products

Open the full advisory

RHSA-2017:1916

Vulnerability from csaf_redhat - Published: 2017-08-01 14:05 - Updated: 2026-06-25 10:50

Summary

Red Hat Security Advisory: glibc security, bug fix, and enhancement update

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2015-8777.

CVE-2015-8777

It was found that the dynamic loader did not sanitize the LD_POINTER_GUARD environment variable. An attacker could use this flaw to bypass the pointer guarding protection on set-user-ID or set-group-ID programs to execute arbitrary code with the permissions of the user running the application.

7.0 (High)


                
                  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 132 products

https://access.redhat.com/errata/RHSA-2017:1916

Open the full advisory

RHSA-2017_1916

Vulnerability from csaf_redhat - Published: 2017-08-01 14:05 - Updated: 2024-11-22 10:48

Summary

Red Hat Security Advisory: glibc security, bug fix, and enhancement update

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2015-8777.

CVE-2015-8777

7.0 (High)


                
                  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed: 480 products

https://access.redhat.com/errata/RHSA-2017:1916

Open the full advisory

SUSE-SU-2016:0470-1

Vulnerability from csaf_suse - Published: 2016-02-16 15:37 - Updated: 2016-02-16 15:37

Summary

Security update for glibc

Severity

Important

Scope

10 vulnerabilities in this advisory, including CVE-2015-8777.

CVE-2015-8777

5.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Recommended: 34 products

Open the full advisory

SUSE-SU-2016:0471-1

Vulnerability from csaf_suse - Published: 2016-02-16 15:19 - Updated: 2016-02-16 15:19

Summary

Security update for glibc

Severity

Important

Scope

6 vulnerabilities in this advisory, including CVE-2015-8777.

CVE-2015-8777

5.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Recommended: 64 products

Open the full advisory

SUSE-SU-2016:0472-1

Vulnerability from csaf_suse - Published: 2016-02-16 15:39 - Updated: 2016-02-16 15:39

Summary

Security update for glibc

Severity

Important

Scope

6 vulnerabilities in this advisory, including CVE-2015-8777.

CVE-2015-8777

5.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Recommended: 323 products

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2015-8777 (GCVE-0-2015-8777)

Tags

Sightings

Nomenclature

Related by attack behaviour