CVE - CVE-2012-0056

CVE-ID
CVE-2012-0056	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:47708 URL:http://secunia.com/advisories/47708 MISC:51625 URL:http://www.securityfocus.com/bid/51625 MISC:RHSA-2012:0052 URL:http://www.redhat.com/support/errata/RHSA-2012-0052.html MISC:RHSA-2012:0061 URL:http://www.redhat.com/support/errata/RHSA-2012-0061.html MISC:USN-1336-1 URL:http://ubuntu.com/usn/usn-1336-1 MISC:VU#470151 URL:http://www.kb.cert.org/vuls/id/470151 MISC:[oss-security] 20120117 Re: CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling URL:http://www.openwall.com/lists/oss-security/2012/01/18/2 MISC:[oss-security] 20120118 CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling URL:http://www.openwall.com/lists/oss-security/2012/01/18/1 MISC:[oss-security] 20120119 Re: CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling URL:http://www.openwall.com/lists/oss-security/2012/01/19/4 MISC:[oss-security] 20120122 Re: CVE request: kernel: proc: clean up and fix /proc/<pid>/mem handling URL:http://www.openwall.com/lists/oss-security/2012/01/22/4 MISC:http://blog.zx2c4.com/749 URL:http://blog.zx2c4.com/749 MISC:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc URL:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc MISC:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2 URL:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=782642 URL:https://bugzilla.redhat.com/show_bug.cgi?id=782642
Assigning CNA
Red Hat, Inc.
Date Record Created
20111207	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20111207)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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