CVE-2012-2123

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 17 May 2012, 10:00
Last modified:06 Aug 2024, 19:26

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
7.2 HIGH
v2.0 (nvd)
EPSS Score
0.06% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 May 2012, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 19:26
Last Modified
Vulnerability information updated

Description

The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.

CVSS Metrics

  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.06%• Percentile: 18%

Techniques & Countermeasures

  • CWE-264•Permissions, Privileges, and Access Controls

    Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected Systems

  • linux•linux_kernel

    < 3.0.29 | ≥ 3.1, < 3.2.16 | ≥ 3.3, < 3.3.3

References (11)