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 NVD

6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS

10.84% chance of exploitation in the next 30 days, 96th percentile

Published

2012-01-27

Updated

2024-08-06

Proof-of-concept exploits (3)

• pythonone/CVE-2012-00561★ · 2016-07-22
• saurik/mempodroid133★ · 2012-08-05
• srclib/CVE-2012-00561★ · 2012-12-29

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/35161
• https://www.exploit-db.com/exploits/18411

Exploit collections (1)

• CVE-2012-0056helloexp/0day

Security advisories

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e2683…
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
• http://blog.zx2c4.com/749
• http://ubuntu.com/usn/usn-1336-1
• http://www.kb.cert.org/vuls/id/470151
• http://www.openwall.com/lists/oss-security/2012/01/18/1
• http://www.openwall.com/lists/oss-security/2012/01/18/2
• http://www.openwall.com/lists/oss-security/2012/01/19/4
• http://www.openwall.com/lists/oss-security/2012/01/22/4
• http://www.redhat.com/support/errata/RHSA-2012-0052.html
• http://www.redhat.com/support/errata/RHSA-2012-0061.html
• http://www.securityfocus.com/bid/51625
• https://bugzilla.redhat.com/show_bug.cgi?id=782642

References

• CVE Record
• NVD entry