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 (RHEL) 6 and earlier, and Fedora 14 and earlier, mounts a new directory on top of /tmp without…
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
Description
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 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- redhat/policycoreutils · redhat/enterprise linux · redhat/fedora
- Source
- secalert@redhat.com
References
- http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0585.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056227.html
- 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
- http://secunia.com/advisories/43415Vendor Advisory
- http://secunia.com/advisories/43844
- http://secunia.com/advisories/44034
- http://www.redhat.com/support/errata/RHSA-2011-0414.html
- http://www.securityfocus.com/bid/46510
- http://www.securitytracker.com/id?1025291
- http://www.vupen.com/english/advisories/2011/0701
- http://www.vupen.com/english/advisories/2011/0864
- https://bugzilla.redhat.com/show_bug.cgi?id=633544Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65641
- http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0585.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056227.html
- 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
- http://secunia.com/advisories/43415Vendor Advisory
- http://secunia.com/advisories/43844
- http://secunia.com/advisories/44034
- http://www.redhat.com/support/errata/RHSA-2011-0414.html
- http://www.securityfocus.com/bid/46510
- http://www.securitytracker.com/id?1025291
- http://www.vupen.com/english/advisories/2011/0701
- http://www.vupen.com/english/advisories/2011/0864
- https://bugzilla.redhat.com/show_bug.cgi?id=633544Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65641
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.