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CVE-2011-1011

The seunshare_mount function in sandbox/seunshare.c in seunshare in certain Red Hat packages of policycoreutils 2.0.83 and earlier in Red Hat Enterprise Linux …

Impact

The seunshare_mount function in sandbox/seunshare.c in seunshare in certain Red Hat packages of policycoreutils 2.0.83 and earlier in Red Hat Enterprise Linux (RHEL) 6 and earlier, and Fedora 14 and earlier, mounts a new directory on top of /tmp without assigning root ownership and the sticky bit to this new directory, which allows local users to replace or delete arbitrary /tmp files, and consequently cause a denial of service or possibly gain privileges, by running a setuid application that relies on /tmp, as demonstrated by the ksu application.

Affected products

VendorProductAffected versions
RedhatPolicycoreutils
through 2.0.83
Versions 1.0, 1.1, 1.2, 1.4, 1.6
RedhatEnterprise Linux
Versions 3, 4, 5, 6.0
RedhatFedora
Versions 6, 7, 8, 9, 10, 12

Weakness classification

CWE-264

References