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CVE
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CVE-2011-1011Date: (C)2011-02-24   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 6.9
Exploit Score: 3.4
Impact Score: 10.0
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: COMPLETE
Integrity: COMPLETE
Availability: COMPLETE
  
Reference:
SECTRACK-1025291
http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0585.html
SECUNIA-43415
SECUNIA-43844
SECUNIA-44034
BID-46510
ADV-2011-0701
ADV-2011-0864
FEDORA-2011-3043
RHSA-2011:0414
http://openwall.com/lists/oss-security/2011/02/23/1
http://openwall.com/lists/oss-security/2011/02/23/2
http://pkgs.fedoraproject.org/gitweb/?p=policycoreutils.git%3Ba=blob%3Bf=policycoreutils-rhat.patch%3Bh=d4db5bc06027de23d12a4b3f18fa6f9b1517df27%3Bhb=HEAD#l2197
https://bugzilla.redhat.com/show_bug.cgi?id=633544
policycoreutils-seunshare-symlink(65641)

CWE    1
CWE-264
OVAL    3
oval:org.secpod.oval:def:101309
oval:org.secpod.oval:def:1503601
oval:org.secpod.oval:def:500230

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