CVE-2007-4840 Information

Description

PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via (1) a long string in the out_charset parameter to the iconv function; or a long string in the charset parameter to the (2) iconv_mime_decode_headers (3) iconv_mime_decode or (4) iconv_strlen function. NOTE: this might not be a vulnerability in most web server environments that support multiple threads unless these issues can be demonstrated for code execution.

Reference

http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html http://osvdb.org/38916 http://secunia.com/advisories/27102 http://secunia.com/advisories/27659 http://secunia.com/advisories/28658 http://secunia.com/advisories/30040 http://securityreason.com/securityalert/3122 http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242 http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml http://www.securityfocus.com/archive/1/478730/100/0/threaded http://www.securityfocus.com/archive/1/491693/100/0/threaded https://issues.rpath.com/browse/RPL-1943