The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Virus_scanner | Amavis | * | * |
| File | Gentoo | 4.20 (including) | 4.20 (including) |
| File | Ubuntu | devel | * |
References
- http://secunia.com/advisories/24918
- http://secunia.com/advisories/25394
- http://secunia.com/advisories/25544
- http://secunia.com/advisories/25578
- http://sourceforge.net/mailarchive/forum.php?thread_name=755AF709E5B77E6EA58479D5%40foxx.lsit.ucsb.edu\u0026forum_name=amavis-user
- http://www.amavis.org/security/asa-2007-3.txt
- http://www.gentoo.org/security/en/glsa/glsa-200704-13.xml
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:114
- http://www.securityfocus.com/archive/1/469520/30/6420/threaded
- http://www.securityfocus.com/bid/24146
- http://www.vupen.com/english/advisories/2007/2071
- https://bugs.gentoo.org/show_bug.cgi?id=174217
- https://issues.rpath.com/browse/RPL-1311
- http://secunia.com/advisories/24918
- http://secunia.com/advisories/25394
- http://secunia.com/advisories/25544
- http://secunia.com/advisories/25578
- http://sourceforge.net/mailarchive/forum.php?thread_name=755AF709E5B77E6EA58479D5%40foxx.lsit.ucsb.edu\u0026forum_name=amavis-user
- http://www.amavis.org/security/asa-2007-3.txt
- http://www.gentoo.org/security/en/glsa/glsa-200704-13.xml
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:114
- http://www.securityfocus.com/archive/1/469520/30/6420/threaded
- http://www.securityfocus.com/bid/24146
- http://www.vupen.com/english/advisories/2007/2071
- https://bugs.gentoo.org/show_bug.cgi?id=174217
- https://issues.rpath.com/browse/RPL-1311