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Vulnerability details: VCID-126p-hwx7-aaab
Vulnerability ID VCID-126p-hwx7-aaab
Aliases CVE-2015-8777
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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-254 7PK - Security Features
System Score Found at
generic_textual Low http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8777.html
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-8777.json
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
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epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2015-8777
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1260581
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8121
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1781
generic_textual High https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7547
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8776
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8777
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8778
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8779
cvssv2 3.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2015-8777
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2015-8777
generic_textual Low https://ubuntu.com/security/notices/USN-2985-1
generic_textual Low http://www.openwall.com/lists/oss-security/2015/09/05/8
generic_textual Low http://www.openwall.com/lists/oss-security/2016/01/20/1
Reference id Reference type URL
http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8777.html
https://access.redhat.com/errata/RHSA-2017:1916
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-8777.json
https://api.first.org/data/v1/epss?cve=CVE-2015-8777
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8121
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1781
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7547
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8776
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8777
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8778
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8779
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=18928
https://ubuntu.com/security/notices/USN-2985-1
http://www.debian.org/security/2016/dsa-3480
http://www.openwall.com/lists/oss-security/2015/09/05/8
http://www.openwall.com/lists/oss-security/2016/01/20/1
http://www.securityfocus.com/bid/81469
http://www.securitytracker.com/id/1034811
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
1260581 https://bugzilla.redhat.com/show_bug.cgi?id=1260581
798316 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798316
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
CVE-2015-8777 https://nvd.nist.gov/vuln/detail/CVE-2015-8777
USN-2985-1 https://usn.ubuntu.com/2985-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-8777.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:H/Au:S/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8777
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8777
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.09822
EPSS Score 0.00043
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.