CVE-2012-2123
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2012-2123 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4, and 5. This has been addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2012-0670.html. This has been addressed in Red Hat Enterprise Linux 6 via https://rhn.redhat.com/errata/RHSA-2012-0743.html.
CVSS v2 metrics
| Base Score | 1.9 |
|---|---|
| Base Metrics | AV:L/AC:M/Au:N/C:N/I:P/A:N |
| Access Vector | Local |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | Partial |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2012:0743 | 2012-06-18 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHSA-2012:0670 | 2012-05-15 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
| Red Hat Enterprise Linux 4 | kernel | Will not fix |
CVE description copyright © 2017, The MITRE Corporation