Description
Buffer overflow in the readstr_upto function in plug-ins/script-fu/tinyscheme/scheme.c in GIMP 2.6.12 and earlier, and possibly 2.6.13, allows remote attackers to execute arbitrary code via a long string in a command to the script-fu server.
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 ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gimp | 2.8.0-1 | — |
| Debian 13 | gimp | 2.8.0-1 | — |
| Debian 12 | gimp | 2.8.0-1 | — |
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.
Metasploit 1 module
-
GIMP script-fu Server Buffer Overflow
exploit/windows/misc/gimp_script_fu
Exploit-DB 2
- GIMP script-fu - Server Buffer Overflow (Metasploit) EDB-18973 · remote · Jun 2, 2012 · verified
- GIMP 2.6 script-fu < 2.8.0 - Buffer Overflow (PoC) EDB-18956 · dos · May 31, 2012
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- GLSA-201209-23 vendor-advisory
- http://git.gnome.org/browse/gimp/commit/?h=gimp-2-6&id=744f7a4a2b5acb8b531a6f5dd8744ebb95348fc2
- [oss-security] 20120630 Re: ScriptFu Server Buffer Overflow in GIMP <= 2.6 mailing-list
- openSUSE-SU-2012:1080 vendor-advisory
- openSUSE-SU-2012:1131 vendor-advisory
- 50737 third-party-advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=679215
- http://www.reactionpenetrationtesting.co.uk/advisories/scriptfu-buffer-overflow-GIMP-2.6.html
- [oss-security] 20120530 ScriptFu Server Buffer Overflow in GIMP <= 2.6 mailing-list