Published: 08/05/2014 Updated: 03/01/2019

CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4

VMScore: 614

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

seunshare in policycoreutils 2.2.5 is owned by root with 4755 permissions, and executes programs in a way that changes the relationship between the setuid system call and the getresuid saved set-user-ID value, which makes it easier for local users to gain privileges by leveraging a program that mistakenly expected that it could permanently drop privileges.

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selinuxproject policycoreutils 2.2.5

A flaw was found in the way seunshare, a utility for running executables under a different security context, used the capng_lock functionality of the libcap-ng library The subsequent invocation of suid root binaries that relied on the fact that the setuid() system call, among others, also sets the saved set-user-ID when dropping the binaries' proc ...

CWE-264 http://openwall.com/lists/oss-security/2014/05/08/1 http://openwall.com/lists/oss-security/2014/04/29/7 http://openwall.com/lists/oss-security/2014/04/30/4 http://www.securityfocus.com/bid/67341 http://secunia.com/advisories/59007 http://www.mandriva.com/security/advisories?name=MDVSA-2015:156 http://advisories.mageia.org/MGASA-2014-0251.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://lists.opensuse.org/opensuse-updates/2014-06/msg00008.html http://rhn.redhat.com/errata/RHSA-2015-0864.html https://nvd.nist.gov https://alas.aws.amazon.com/ALAS-2015-543.html

CVE-2014-3215

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