CVE - CVE-2012-0056

CVE-ID
CVE-2012-0056	Learn more at National Vulnerability Database (NVD) • Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings
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.
MLIST:[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 MLIST:[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 MLIST:[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 MLIST:[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 CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e268337dfe26dfc7efd422a804dbb27977a3cccc CONFIRM:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2 CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=782642 REDHAT:RHSA-2012:0052 URL:http://www.redhat.com/support/errata/RHSA-2012-0052.html REDHAT:RHSA-2012:0061 URL:http://www.redhat.com/support/errata/RHSA-2012-0061.html UBUNTU:USN-1336-1 URL:http://ubuntu.com/usn/usn-1336-1 BID:51625 URL:http://www.securityfocus.com/bid/51625 SECUNIA:47708 URL:http://secunia.com/advisories/47708
Assigning CNA
N/A
Date Entry Created
20111207	Disclaimer: The entry 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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