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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Perl | Larry_wall | 5.4.5 (including) | 5.4.5 (including) |
| Perl | Larry_wall | 5.5 (including) | 5.5 (including) |
| Perl | Larry_wall | 5.5.3 (including) | 5.5.3 (including) |
| Perl | Larry_wall | 5.6 (including) | 5.6 (including) |
References
- 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
- 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