Vulnerability Description
Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mcrypt | Mcrypt | <= 2.6.8 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086519.
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/087542.
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088281.
- http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-OExploit
- http://secunia.com/advisories/50507Vendor Advisory
- http://secunia.com/advisories/51010
- http://www.openwall.com/lists/oss-security/2012/09/06/4
- http://www.securitytracker.com/id?1027532
- https://bugzilla.redhat.com/show_bug.cgi?id=855029
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086519.
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/087542.
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088281.
- http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-OExploit
- http://secunia.com/advisories/50507Vendor Advisory
- http://secunia.com/advisories/51010
FAQ
What is CVE-2012-4409?
CVE-2012-4409 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted ...
How severe is CVE-2012-4409?
CVE-2012-4409 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4409?
Check the references section above for vendor advisories and patch information. Affected products include: Mcrypt Mcrypt.