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Mend.io Vulnerability Database

CVE-2011-1011

Date: February 24, 2011

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.

Severity Score

7.4

Related Resources (19)

Url: http://www.redhat.com/support/errata/RHSA-2011-0414.html

Url: http://www.securityfocus.com/bid/46510

Url: http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056227.html

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/65641

Url: https://bugzilla.redhat.com/show_bug.cgi?id=633544

Url: http://openwall.com/lists/oss-security/2011/02/23/2

Url: http://openwall.com/lists/oss-security/2011/02/23/1

Url: http://www.vupen.com/english/advisories/2011/0701

Url: http://www.securitytracker.com/id?1025291

Url: https://nvd.nist.gov/vuln/detail/CVE-2011-1011

Url: http://www.vupen.com/english/advisories/2011/0864

Url: http://secunia.com/advisories/44034

Url: http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0585.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1011

Url: https://access.redhat.com/security/cve/CVE-2011-1011

Url: http://secunia.com/advisories/43844

Url: http://secunia.com/advisories/43415

Url: http://pkgs.fedoraproject.org/gitweb/?p=policycoreutils.git%3Ba=blob%3Bf=policycoreutils-rhat.patch%3Bh=d4db5bc06027de23d12a4b3f18fa6f9b1517df27%3Bhb=HEAD#l2197

Url: https://www.mend.io/vulnerability-database/CVE-2011-1011

Severity Score

7.4

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:	7.4
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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CVE-2011-1011

Date: February 24, 2011

Severity Score

Related Resources (19)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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