Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.
Weakness
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Immunix | Immunix | 7.0 (including) | 7.0 (including) |
| Mandrake_single_network_firewall | Mandrakesoft | 7.2 (including) | 7.2 (including) |
| Openssh | Openbsd | 2.0 (including) | 3.1 (excluding) |
| Openpkg | Openpkg | 1.0 (including) | 1.0 (including) |
| Linux | Conectiva | 5.0 (including) | 5.0 (including) |
| Linux | Conectiva | 5.1 (including) | 5.1 (including) |
| Linux | Conectiva | 6.0 (including) | 6.0 (including) |
| Linux | Conectiva | 7.0 (including) | 7.0 (including) |
| Linux | Conectiva | ecommerce (including) | ecommerce (including) |
| Linux | Conectiva | graficas (including) | graficas (including) |
| Red Hat Linux 7.0 | RedHat | * | |
| Red Hat Linux 7.1 | RedHat | * | |
| Red Hat Linux 7.2 | RedHat | * |
Potential Mitigations
References
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:13.openssh.asc
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-004.txt.asc
- ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.10/CSSA-2002-SCO.10.txt
- ftp://stage.caldera.com/pub/security/openunix/CSSA-2002-SCO.11/CSSA-2002-SCO.11.txt
- http://archives.neohapsis.com/archives/bugtraq/2002-03/0108.html
- http://archives.neohapsis.com/archives/vulnwatch/2002-q1/0060.html
- http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000467
- http://marc.info/?l=bugtraq\u0026m=101552065005254\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=101553908201861\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=101561384821761\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=101586991827622\u0026w=2
- http://online.securityfocus.com/advisories/3960
- http://online.securityfocus.com/archive/1/264657
- http://www.calderasystems.com/support/security/advisories/CSSA-2002-012.0.txt
- http://www.debian.org/security/2002/dsa-119
- http://www.iss.net/security_center/static/8383.php
- http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-019.php
- http://www.linuxsecurity.com/advisories/other_advisory-1937.html
- http://www.novell.com/linux/security/advisories/2002_009_openssh_txt.html
- http://www.openbsd.org/advisories/ssh_channelalloc.txt
- http://www.osvdb.org/730
- http://www.redhat.com/support/errata/RHSA-2002-043.html
- http://www.securityfocus.com/bid/4241
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:13.openssh.asc
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-004.txt.asc
- ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.10/CSSA-2002-SCO.10.txt
- ftp://stage.caldera.com/pub/security/openunix/CSSA-2002-SCO.11/CSSA-2002-SCO.11.txt
- http://archives.neohapsis.com/archives/bugtraq/2002-03/0108.html
- http://archives.neohapsis.com/archives/vulnwatch/2002-q1/0060.html
- http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000467
- http://marc.info/?l=bugtraq\u0026m=101552065005254\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=101553908201861\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=101561384821761\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=101586991827622\u0026w=2
- http://online.securityfocus.com/advisories/3960
- http://online.securityfocus.com/archive/1/264657
- http://www.calderasystems.com/support/security/advisories/CSSA-2002-012.0.txt
- http://www.debian.org/security/2002/dsa-119
- http://www.iss.net/security_center/static/8383.php
- http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-019.php
- http://www.linuxsecurity.com/advisories/other_advisory-1937.html
- http://www.novell.com/linux/security/advisories/2002_009_openssh_txt.html
- http://www.openbsd.org/advisories/ssh_channelalloc.txt
- http://www.osvdb.org/730
- http://www.redhat.com/support/errata/RHSA-2002-043.html
- http://www.securityfocus.com/bid/4241