CVE-2000-0703 Information

Description

suidperl (aka sperl) does not properly cleanse the escape sequence ~!\ before calling /bin/mail to send an error report which allows local users to gain privileges by setting the \interactive\ environmental variable and calling suidperl with a filename that contains the escape sequence.

Reference

http://archives.neohapsis.com/archives/bugtraq/2000-08/0022.html http://archives.neohapsis.com/archives/bugtraq/2000-08/0086.html http://archives.neohapsis.com/archives/bugtraq/2000-08/0113.html http://archives.neohapsis.com/archives/bugtraq/2000-08/0153.html http://www.calderasystems.com/support/security/advisories/CSSA-2000-026.0.txt http://www.novell.com/linux/security/advisories/suse_security_announce_59.html http://www.redhat.com/support/errata/RHSA-2000-048.html http://www.securityfocus.com/bid/1547 http://www.turbolinux.com/pipermail/tl-security-announce/2000-August/000017.html