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Status published
Medium
CVE-2015-8777
The process_envvars function in elf/rtld.c in the GNU C Library...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
- https://access.redhat.com/errata/RHSA-2017:1916
- http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- http://www.ubuntu.com/usn/USN-2985-2
- http://www.openwall.com/lists/oss-security/2016/01/20/1
- https://security.gentoo.org/glsa/201702-11
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
- http://www.securityfocus.com/bid/81469
- https://sourceware.org/bugzilla/show_bug.cgi?id=18928
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
- http://www.debian.org/security/2016/dsa-3480
- http://www.ubuntu.com/usn/USN-2985-1
- http://www.securitytracker.com/id/1034811
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Affected Vendor
Affected Software
glibc
Vulnerable Versions:
0
Timeline
Official Publish:
January 20th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.