CVE-2012-2123
- State
- Published
- Severity
- Not scored
- Published
- May 17, 2012
- Updated
- Aug 6, 2024
- Reserved
- Apr 4, 2012
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- RHSA-2012:0743vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.3
- RHSA-2012:0670vendor-advisory
- [oss-security] 20120419 Re: CVE request: kernel: fcaps: clear the same personality flags as suid when fcaps are usedmailing-list
- DSA-2469vendor-advisory
- 53166vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=806722
- https://github.com/torvalds/linux/commit/d52fc5dde171f030170a6cb78034d166b13c9445
- 1027072vdb-entry
- linux-kernel-fcaps-sec-bypass(75043)vdb-entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445
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