CVE-2012-0056

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.

CVSS v2.0 6.9 MEDIUM

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://blog.zx2c4.com/749	Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc	Vendor Advisory
http://secunia.com/advisories/47708	Broken Link
http://ubuntu.com/usn/usn-1336-1	Third Party Advisory
http://www.kb.cert.org/vuls/id/470151	Third Party Advisory US Government Resource
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2	Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/01/18/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/18/2	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/19/4	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/22/4	Mailing List Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0052.html	Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0061.html	Third Party Advisory
http://www.securityfocus.com/bid/51625	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=782642	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2012-01-27 15:55

Updated : 2023-07-27 15:21

NVD link : CVE-2012-0056

Mitre link : CVE-2012-0056

CVE.ORG link : CVE-2012-0056

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-264

Permissions, Privileges, and Access Controls

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