CVE-2012-4409 Memory corruption in n/a
A stack-based buffer overflow in mcrypt allows remote attackers to execute arbitrary code via a crafted encrypted file, requiring user interaction to open the file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-4409?
CVE-2012-4409 is a medium-severity memory corruption vulnerability in n/a, published on 21 Nov 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2012-4409?
It affects 1 product.
Products include Mcrypt Mcrypt.
How do I fix CVE-2012-4409?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2012-4409 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-4409 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2012-4409, GHSA-x2pj-g5q5-wh2x.