New PHP packages are available for Slackware 8.1, 9.0, 9.1, 10.0, 10.1, and -current to fix a security issue with the PEAR XML_RPC class that allows a remote attacker to run arbitrary PHP code. Sites that make use of this PHP library should upgrade to the new PHP package right away, or may instead upgrade the XML_RPC PEAR class with the following command:

pear upgrade XML_RPC

More details about this issue may be found in the Common Vulnerabilities and Exposures (CVE) database:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1921



Here are the details from the Slackware 10.1 ChangeLog:
+--------------------------+
patches/packages/php-4.3.11-i486-2.tgz: Upgraded PEAR XML_RPC class.
This new PHP package fixes a PEAR XML_RPC vulnerability. Sites that use
this PEAR class should upgrade to the new PHP package, or as a minimal
fix may instead upgrade the XML_RPC PEAR class with the following command:
pear upgrade XML_RPC
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

Updated package for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/php-4.3.11-i386-2.tgz

Updated package for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/php-4.3.11-i386-2.tgz

Updated package for Slackware 9.1:
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/php-4.3.11-i486-2.tgz

Updated package for Slackware 10.0:
ftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/php-4.3.11-i486-2.tgz

Updated package for Slackware 10.1:
ftp://ftp.slackware.com/pub/slackware/slackware-10.1/patches/packages/php-4.3.11-i486-2.tgz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/php-4.4.0-i486-1.tgz


MD5 signatures:
+-------------+

Slackware 8.1 package:
b968e86e7876d52f83453f45f6dd844f php-4.3.11-i386-2.tgz

Slackware 9.0 package:
639ce88dea73156c70f5e011d96c2785 php-4.3.11-i386-2.tgz

Slackware 9.1 package:
b5a8235ca226d0420ade16770ac1c24f php-4.3.11-i486-2.tgz

Slackware 10.0 package:
4aef14c01c4c574b83f4867a8ac58cac php-4.3.11-i486-2.tgz

Slackware 10.1 package:
7ff0731532e3bd24698c90f0f803db49 php-4.3.11-i486-2.tgz

Slackware -current package:
66702eabe070fa223a2c888c467afa53 php-4.4.0-i486-1.tgz


Installation instructions:
+------------------------+

First, stop apache:
# apachectl stop

Next, upgrade to the new PHP package:
# upgradepkg php-4.3.11-i486-2.tgz

Finally, restart apache:
# apachectl start (or: apachectl startssl)


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com