CVE-2015-8777
Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 20 Jan 2016, 02:00
Last modified:06 Aug 2024, 08:29
Vulnerability Summary
Overall Risk (default)
medium
32/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.07% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
20 Jan 2016, 02:00
Published
Vulnerability first disclosed
06 Aug 2024, 08:29
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:P/A:N
EPSS Trends
Current EPSS score: 0.07%• Percentile: 21%
Techniques & Countermeasures
- CWE-254•7PK - Security Features
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
Affected Systems
- gnu•glibc
≤ 2.22
References (15)
- 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