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OpenAdvisories
Unscored Public exploit CVE-2012-4409 EUVD-2012-4346GHSA-x2pj-g5q5-wh2x

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…

Published Nov 21, 2012 · Updated Aug 6, 2024 · Assigned by redhat

Package: mcrypt Ecosystem: Debian

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.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 mcrypt 2.6.8-1.1 —
Debian 13 mcrypt 2.6.8-1.1 —
Debian 12 mcrypt 2.6.8-1.1 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 2

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References