CVE-2002-0639
9.8
CRITICAL · CVSS 3.1 · EPSS 18.3% (pctl 97)
Patch early
EPSS 18.3% — above the 10% action threshold.
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.
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 | 18.29% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2002-07-03 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| openbsd | openssh |
References
- ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
- http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
- http://marc.info/?l=bugtraq&m=102514371522793&w=2
- http://marc.info/?l=bugtraq&m=102514631524575&w=2
- http://marc.info/?l=bugtraq&m=102521542826833&w=2
- http://www.cert.org/advisories/CA-2002-18.html
- http://www.debian.org/security/2002/dsa-134
- http://www.iss.net/security_center/static/9169.php
- http://www.kb.cert.org/vuls/id/369347
- http://www.linuxsecurity.com/advisories/other_advisory-2177.html
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040
- http://www.osvdb.org/6245
- http://www.securityfocus.com/bid/5093
- http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195
- https://twitter.com/RooneyMcNibNug/status/1152332585349111810
- https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html
- ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
- http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
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