CVE-2002-0639
Last modified
CVE-2002-0639 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 18.43% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | >= 2.9.9, <= 3.3 |
References
- http://marc.info/?l=bugtraq&m=102514371522793&w=2Exploit, Mailing List
- http://marc.info/?l=bugtraq&m=102514631524575&w=2Exploit, Mailing List
- http://marc.info/?l=bugtraq&m=102521542826833&w=2Exploit, Mailing List
- http://www.cert.org/advisories/CA-2002-18.htmlThird Party Advisory, US Government Resource
- http://www.debian.org/security/2002/dsa-134Broken Link
- http://www.kb.cert.org/vuls/id/369347Third Party Advisory, US Government Resource
- http://www.osvdb.org/6245Broken Link
- http://www.securityfocus.com/bid/5093Broken Link, Third Party Advisory, VDB Entry
- https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.htmlThird Party Advisory
- http://marc.info/?l=bugtraq&m=102514371522793&w=2Exploit, Mailing List
- http://marc.info/?l=bugtraq&m=102514631524575&w=2Exploit, Mailing List
- http://marc.info/?l=bugtraq&m=102521542826833&w=2Exploit, Mailing List
- http://www.cert.org/advisories/CA-2002-18.htmlThird Party Advisory, US Government Resource
- http://www.debian.org/security/2002/dsa-134Broken Link
- http://www.kb.cert.org/vuls/id/369347Third Party Advisory, US Government Resource
- http://www.osvdb.org/6245Broken Link
- http://www.securityfocus.com/bid/5093Broken Link, Third Party Advisory, VDB Entry
- https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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