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

  • v3.0MEDIUMScore: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  • v2.0LOWScore: 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-2547PK - 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

  • gnuglibc

    ≤ 2.22

References (15)