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CVE
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CVE-2012-2123Date: (C)2012-05-17   (M)2024-02-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 7.2
Exploit Score: 3.9
Impact Score: 10.0
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: COMPLETE
Integrity: COMPLETE
Availability: COMPLETE
  
Reference:
SECTRACK-1027072
BID-53166
DSA-2469
RHSA-2012:0670
RHSA-2012:0743
http://www.openwall.com/lists/oss-security/2012/04/20/6
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.3
https://bugzilla.redhat.com/show_bug.cgi?id=806722
https://github.com/torvalds/linux/commit/d52fc5dde171f030170a6cb78034d166b13c9445
linux-kernel-fcaps-sec-bypass(75043)

CWE    1
CWE-264
OVAL    28
oval:org.secpod.oval:def:1503664
oval:org.secpod.oval:def:103690
oval:org.secpod.oval:def:104280
oval:org.secpod.oval:def:700869
...

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