CVE-2002-0639

high-risk
Published 2002-07-03

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.

Do I need to act?

!
36.7% chance of exploitation in next 30 days
EPSS score — higher than 63% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Openbsd

References (34)

Broken Link ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
Broken Link http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html
Broken Link http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
Exploit http://marc.info/?l=bugtraq&m=102514371522793&w=2
Exploit http://marc.info/?l=bugtraq&m=102514631524575&w=2
Exploit http://marc.info/?l=bugtraq&m=102521542826833&w=2
Third Party Advisory http://www.cert.org/advisories/CA-2002-18.html
Broken Link http://www.debian.org/security/2002/dsa-134
Broken Link http://www.iss.net/security_center/static/9169.php
Third Party Advisory http://www.kb.cert.org/vuls/id/369347
Broken Link http://www.linuxsecurity.com/advisories/other_advisory-2177.html
Broken Link http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040
Broken Link http://www.osvdb.org/6245
Broken Link http://www.securityfocus.com/bid/5093
Broken Link http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195
Broken Link https://twitter.com/RooneyMcNibNug/status/1152332585349111810
Third Party Advisory https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html
Broken Link ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
Broken Link http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html
Broken Link http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
and 14 more references
53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal