critical
10
CWE
NVD-CWE-Other 190
Advisory Published
CVE Published
Updated

CVE-2002-0639: Integer Overflow

First published: Wed Jul 03 2002(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
OpenSSH>=2.9.9<=3.3
OpenSSH=3.1
OpenSSH=3.0.2p1
OpenSSH=2.1.1
OpenSSH=3.2.3p1
OpenSSH=3.1p1
OpenSSH=2.5.1
OpenSSH=3.0
OpenSSH=2.2
OpenSSH=3.2
OpenSSH=1.2.3
OpenSSH=3.0.1p1
OpenSSH=2.1
OpenSSH=3.3
OpenSSH=3.2.2p1
OpenSSH=3.0.2
OpenSSH=3.0.1
OpenSSH=2.9.9
OpenSSH=1.2.2
OpenSSH=2.9p1
OpenSSH=2.9
OpenSSH=2.5.2
OpenSSH=2.3
OpenSSH=2.5
OpenSSH=3.0p1
OpenSSH=3.3p1
OpenSSH=2.9p2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2002-0639?

    CVE-2002-0639 is considered a critical vulnerability as it allows remote attackers to execute arbitrary code.

  • How do I fix CVE-2002-0639?

    To fix CVE-2002-0639, upgrade your OpenSSH version to 3.4 or later.

  • What software is affected by CVE-2002-0639?

    CVE-2002-0639 affects OpenSSH versions from 2.9.9 to 3.3, including several specific versions listed in the advisory.

  • What type of attack does CVE-2002-0639 facilitate?

    CVE-2002-0639 facilitates remote code execution during challenge response authentication.

  • Are there specific authentication methods impacted by CVE-2002-0639?

    Yes, CVE-2002-0639 affects OpenSSH when using SKEY or BSD_AUTH authentication methods.

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