CVE-2012-0056
50Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.
ssvc Actepss 11%
from disclosure to weapon0 days
Published on NVDJan 27
1st PoCJan 12
VulnCheckJan 27
exploitation probability
11%top 5% of all CVEs
observed exploitation
yesVulnCheck
7 public exploit(s)
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.
Affected products
n/a · n/apublic PoCs found — 7✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/18411exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/35161githubgithub.com/pythonone/CVE-2012-0056★ 1githubgithub.com/srclib/CVE-2012-0056★ 1vulncheckvulncheck.com/xdb/2af87af690baunverifiedvulncheckvulncheck.com/xdb/9e3c0b9449c2unverifiedvulncheckvulncheck.com/xdb/7789f7055022unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://blog.zx2c4.com/749http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccchttps://bugzilla.redhat.com/show_bug.cgi?id=782642http://secunia.com/advisories/47708http://ubuntu.com/usn/usn-1336-1http://www.kb.cert.org/vuls/id/470151http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2http://www.openwall.com/lists/oss-security/2012/01/18/1http://www.openwall.com/lists/oss-security/2012/01/18/2http://www.openwall.com/lists/oss-security/2012/01/19/4http://www.openwall.com/lists/oss-security/2012/01/22/4http://www.redhat.com/support/errata/RHSA-2012-0052.html