CVE-2002-0083 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 14.7% (pctl 97)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 14.69% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-193 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2002-03-15 |
| Last modified | 2026-06-16 |
Affected (11)
| Vendor | Product |
|---|---|
| conectiva | linux |
| engardelinux | secure linux |
| immunix | immunix |
| mandrakesoft | mandrake linux |
| mandrakesoft | mandrake linux corporate server |
| mandrakesoft | mandrake single network firewall |
| openbsd | openssh |
| openpkg | openpkg |
| redhat | linux |
| suse | suse linux |
| trustix | secure linux |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | OpenSSH 2.x/3.0.1/3.0.2 - Channel Code Off-by-One | 2002-03-07 |
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&anuncio=000467
- http://marc.info/?l=bugtraq&m=101552065005254&w=2
- http://marc.info/?l=bugtraq&m=101553908201861&w=2
- http://marc.info/?l=bugtraq&m=101561384821761&w=2
- http://marc.info/?l=bugtraq&m=101586991827622&w=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
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