CVE-2015-8777
Summary
| CVE | CVE-2015-8777 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-01-20 05:59:01 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 5.5 MEDIUM from [email protected]
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Problem Types: CWE-254 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| 2.0 | [email protected] | Primary | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
PartialAvailability
NoneAV:L/AC:L/Au:N/C:N/I:P/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - Re: CVE assignment request for security bugs fixed in glibc 2.23 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| [security-announce] SUSE-SU-2016:0470-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Debian -- Security Information -- DSA-3480-1 eglibc | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| GNU C Library: Multiple vulnerabilities (GLSA 201702-11) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| [security-announce] SUSE-SU-2016:0473-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| [security-announce] SUSE-SU-2016:0472-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| 18928 – (CVE-2015-8777) LD_POINTER_GUARD is not ignored for privileged binaries (CVE-2015-8777) | af854a3a-2127-422b-91ae-364da2661108 | sourceware.org | |
| USN-2985-1: GNU C Library vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| [security-announce] SUSE-SU-2016:0471-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| GNU glibc CVE-2015-8777 Local Security Bypass Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| Glibc Pointer guarding weakness | af854a3a-2127-422b-91ae-364da2661108 | hmarco.org | Exploit |
| Glibc process_envvars() Flaw Lets Local Users Bypass Pointer Guard Protection - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| USN-2985-2: GNU C Library regression | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| [SECURITY] Fedora 22 Update: glibc-2.21-11.fc22 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 710558 Gentoo Linux GNU C Library Multiple Vulnerabilities (GLSA 201702-11)