CVE-2002-0639

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    CVE-2002-0639

    Published: 3 Jul 2002Last Modified: 10 Apr 2026

    Summary:

    Details: 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: http://www.cert.org/advisories/CA-2002-18.html, http://www.debian.org/security/2002/dsa-134, 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.securityfocus.com/bid/5093, https://web.archive.org/web/20080622172542/www.iss.net/threats/advise123.html, 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://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, 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://www.iss.net/security_center/static/9169.php, http://www.kb.cert.org/vuls/id/369347, 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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High