CVE Reference: CAN-2005-1121 (Links to External Site)
Version(s): 1.5.23 and prior versions
Description: A format string vulnerability was reported in Oops! A remote user may be able to execute arbitrary code.
The passwd_mysql/passwd_pgsql module auth() function contains a call to the my_xlog() function that does not include a format string specifier. A remote user can supply a specially crafted HTTP request to trigger the vulnerability and cause the service to crash or execute arbitrary code.
A demonstration exploit request is provided:
GET http://%s%s%s%s%s%s%s%s/ HTTP/1.0
Host: ghc.ru
Proxy-Authorization: Basic Z2hjOnJzdA==
The flaw resides in 'passwd_sql.c'.
Edisan from RST/GHC reported this vulnerability.
Impact: A remote user can cause the service to crash or execute arbitrary code.
Solution: A patch is available at:
http://zipper.paco.net/~igor/oops/diff_from_1.5.23.patch.gz
