CVE-2012-2123
"Linux Cap_bprm_set_creds Privilege Escalation Vulnerability"
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.
INFO
Published Date :
May 17, 2012, 11 a.m.
Last Modified :
April 11, 2025, 12:51 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
10.0
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2012-2123.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2012-2123 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2012-2123 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445 Added Reference http://rhn.redhat.com/errata/RHSA-2012-0670.html Added Reference http://rhn.redhat.com/errata/RHSA-2012-0743.html Added Reference http://www.debian.org/security/2012/dsa-2469 Added Reference http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.3 Added Reference http://www.openwall.com/lists/oss-security/2012/04/20/6 Added Reference http://www.securityfocus.com/bid/53166 Added Reference http://www.securitytracker.com/id?1027072 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=806722 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/75043 Added Reference https://github.com/torvalds/linux/commit/d52fc5dde171f030170a6cb78034d166b13c9445 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 12, 2023
Action Type Old Value New Value Changed Reference Type http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445 No Types Assigned http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445 Broken Link Changed Reference Type http://rhn.redhat.com/errata/RHSA-2012-0670.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2012-0670.html Third Party Advisory, VDB Entry Changed Reference Type http://rhn.redhat.com/errata/RHSA-2012-0743.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2012-0743.html Third Party Advisory, VDB Entry Changed Reference Type http://www.debian.org/security/2012/dsa-2469 No Types Assigned http://www.debian.org/security/2012/dsa-2469 Third Party Advisory Changed Reference Type http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.3 No Types Assigned http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.3 Vendor Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2012/04/20/6 No Types Assigned http://www.openwall.com/lists/oss-security/2012/04/20/6 Mailing List, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/53166 No Types Assigned http://www.securityfocus.com/bid/53166 Third Party Advisory, VDB Entry Changed Reference Type http://www.securitytracker.com/id?1027072 No Types Assigned http://www.securitytracker.com/id?1027072 Third Party Advisory, VDB Entry Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=806722 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=806722 Issue Tracking Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/75043 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/75043 VDB Entry Changed Reference Type https://github.com/torvalds/linux/commit/d52fc5dde171f030170a6cb78034d166b13c9445 No Types Assigned https://github.com/torvalds/linux/commit/d52fc5dde171f030170a6cb78034d166b13c9445 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 3.3.1 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.29 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.1 up to (excluding) 3.2.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.3 up to (excluding) 3.3.3 -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d52fc5dde171f030170a6cb78034d166b13c9445 [No Types Assigned] Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 29, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2012/dsa-2469 [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2012-0670.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 29, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/75043 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/75043 [No Types Assigned] -
Initial Analysis by [email protected]
May. 17, 2012
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2012-2123 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2012-2123
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.02%
score
0.18802
percentile