critical
10
CWE
NVD-CWE-Other 119
Advisory Published
CVE Published
Updated

CVE-2002-0640: Buffer Overflow

First published: Wed Jul 03 2002(Updated: )

Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).

Credit: cve@mitre.org cve@mitre.org

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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2002-0640?

    CVE-2002-0640 is considered a high severity vulnerability due to its potential to allow remote code execution.

  • How do I fix CVE-2002-0640?

    To mitigate CVE-2002-0640, upgrade OpenSSH to a version later than 3.3, which does not contain this vulnerability.

  • Who is affected by CVE-2002-0640?

    CVE-2002-0640 affects OpenSSH versions from 2.3.1 to 3.3, particularly when using PAM modules with interactive keyboard authentication.

  • What are the risks of CVE-2002-0640?

    The main risk of CVE-2002-0640 is that attackers can exploit the buffer overflow to execute arbitrary code on the affected server.

  • Is CVE-2002-0640 still a threat today?

    While CVE-2002-0640 is an older vulnerability, systems running affected OpenSSH versions could still be at risk if not patched.

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