CVE-2002-0639
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 18.28% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2003-04-02 05:00Z23 YR AGO
- Last updated
- 2024-08-08 02:56Z2 YR AGO
- Reserved
- 2002-06-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- e693a75d7c6030925623db93d123930f5cb12dbcb5ecf3ca1e340eb434c0a56b
05 Affected products
06 References
- www.debian.orgDSA-134http://www.debian.org/security/2002/dsa-134
- www.iss.netopenssh-challenge-response-bo(9169)http://www.iss.net/security_center/static/9169.php
- archives.neohapsis.com20020626 [OpenPKG-SA-2002.005] OpenPKG Security Advisory (openssh)http://archives.neohapsis.com/archives/bugtraq/2002-06/0335.html
- marc.info20020626 OpenSSH Security Advisory (adv.iss)http://marc.info/?l=bugtraq&m=102514371522793&w=2
- www.osvdb.org6245http://www.osvdb.org/6245
- www.cert.orgCA-2002-18http://www.cert.org/advisories/CA-2002-18.html
- marc.info20020627 How to reproduce OpenSSH Overflow.http://marc.info/?l=bugtraq&m=102521542826833&w=2
- www.securityfocus.com5093http://www.securityfocus.com/bid/5093
- ftp.caldera.comCSSA-2002-030.0ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt
- www.linuxsecurity.comESA-20020702-016http://www.linuxsecurity.com/advisories/other_advisory-2177.html
- www.kb.cert.orgVU#369347http://www.kb.cert.org/vuls/id/369347
- distro.conectiva.com.brCLA-2002:502http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502
- www1.itrc.hp.comHPSBUX0206-195http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195
- www.mandrakesoft.comMDKSA-2002:040http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040
- marc.info20020626 Revised OpenSSH Security Advisory (adv.iss)http://marc.info/?l=bugtraq&m=102514631524575&w=2
- web.archive.org20020626 OpenSSH Remote Challenge Vulnerabilityhttps://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html
- twitter.comhttps://twitter.com/RooneyMcNibNug/status/1152332585349111810
07 Fixed in
Debian 12
- openssh Fixed in 1:3.4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssh Fixed in 1:3.4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssh Fixed in 1:3.4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.