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CVE-2012-0056
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 6.9/10
- Exploit Score
- 3.4/10
- Access Vector
- Local
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 10/10
- Confidentiality Impact
- Complete
- Availability Impact
- Complete
- Integrity Impact
- Complete
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:2.6.39:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://secunia.com/advisories/47708
- http://ubuntu.com/usn/usn-1336-1
- http://www.redhat.com/support/errata/RHSA-2012-0052.html
- http://www.openwall.com/lists/oss-security/2012/01/22/4
- https://bugzilla.redhat.com/show_bug.cgi?id=782642
- http://www.openwall.com/lists/oss-security/2012/01/18/1
- http://www.openwall.com/lists/oss-security/2012/01/19/4
- http://www.redhat.com/support/errata/RHSA-2012-0061.html
- http://www.securityfocus.com/bid/51625
- http://blog.zx2c4.com/749
- http://www.openwall.com/lists/oss-security/2012/01/18/2
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
- http://www.kb.cert.org/vuls/id/470151
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268