CVE-2002-0639

critical

Description

Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication (ChallengeResponseAuthentication) when OpenSSH is using SKEY or BSD_AUTH authentication.

References

Advisories
More

https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html

http://www.kb.cert.org/vuls/id/369347

http://www.cert.org/advisories/CA-2002-18.html

https://github.com/sudoEman/IT-SIMPLERA-RedTeam-Final-Project

https://twitter.com/RooneyMcNibNug/status/1152332585349111810

https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-0633

http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195

http://www.securityfocus.com/bid/5093

http://www.osvdb.org/6245

http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040

http://www.linuxsecurity.com/advisories/other_advisory-2177.html

http://www.iss.net/security_center/static/9169.php

http://www.debian.org/security/2002/dsa-134

http://marc.info/?l=bugtraq&m=102521542826833&w=2

http://marc.info/?l=bugtraq&m=102514631524575&w=2

http://marc.info/?l=bugtraq&m=102514371522793&w=2

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502

http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html

Details

Source: Mitre, NVD

Published: 2002-07-03

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H