The shmop functions in PHP before 4.4.5, and before 5.2.1 in the 5.x series, do
not verify that their arguments correspond to a shmop resource, which allows
context-dependent attackers to read and write arbitrary memory locations via
arguments associated with an inappropriate resource, as demonstrated by a GD
Image resource.

    * MILW0RM:3426
    * URL:http://www.milw0rm.com/exploits/3426
    * MILW0RM:3427
    * URL:http://www.milw0rm.com/exploits/3427
    * MISC:http://www.php-security.org/MOPB/MOPB-15-2007.html
    * DEBIAN:DSA-1283
    * URL:http://www.debian.org/security/2007/dsa-1283
    * GENTOO:GLSA-200703-21
    * URL:http://security.gentoo.org/glsa/glsa-200703-21.xml
    * UBUNTU:USN-455-1
    * URL:http://www.ubuntu.com/usn/usn-455-1
    * BID:22862
    * URL:http://www.securityfocus.com/bid/22862
    * OSVDB:32781
    * URL:http://www.osvdb.org/32781
    * SECUNIA:24606
    * URL:http://secunia.com/advisories/24606
    * SECUNIA:25062
    * URL:http://secunia.com/advisories/25062