high
7.8
CWE
399
Advisory Published
Updated

CVE-2006-4924

First published: Wed Sep 27 2006(Updated: )

sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenSSH=3.8
OpenSSH=3.8.1p1
OpenSSH=3.2.2
OpenSSH=3.1
OpenSSH=3.0.2p1
OpenSSH=3.8.1
OpenSSH=2.1.1
OpenSSH=3.7.1p2
OpenSSH=3.2.3p1
OpenSSH=3.1p1
OpenSSH=2.5.1
OpenSSH=2.9.9p2
OpenSSH=3.6.1p2
OpenSSH=3.9
OpenSSH=3.0
OpenSSH=1.2.1
OpenSSH=2.2
OpenSSH=3.2
OpenSSH=3.6
OpenSSH=1.2.3
OpenSSH=3.7
OpenSSH=4.0p1
OpenSSH=3.5p1
OpenSSH=3.0.1p1
OpenSSH=3.7.1p1
OpenSSH=2.1
OpenSSH=1.2
OpenSSH=3.3
OpenSSH=3.2.2p1
OpenSSH=3.9.1p1
OpenSSH=3.0.2
OpenSSH=3.4p1
OpenSSH=3.6.1p1
OpenSSH=3.0.1
OpenSSH=2.9.9
OpenSSH=3.6.1
OpenSSH=4.1p1
OpenSSH=1.2.2
OpenSSH=4.2p1
OpenSSH=2.9p1
OpenSSH=2.9
OpenSSH=3.7.1
OpenSSH=1.2.27
OpenSSH=4.2
OpenSSH=2.5.2
OpenSSH=2.3
OpenSSH=3.4
OpenSSH=4.3p1
OpenSSH=3.5
OpenSSH=2.5
OpenSSH=3.0p1
OpenSSH=3.3p1
OpenSSH=4.3
OpenSSH=4.0
OpenSSH=3.9.1
OpenSSH=2.9p2
=1.2
=1.2.1
=1.2.2
=1.2.3
=1.2.27
=2.1
=2.1.1
=2.2
=2.3
=2.5
=2.5.1
=2.5.2
=2.9
=2.9.9
=2.9.9p2
=2.9p1
=2.9p2
=3.0
=3.0.1
=3.0.1p1
=3.0.2
=3.0.2p1
=3.0p1
=3.1
=3.1p1
=3.2
=3.2.2
=3.2.2p1
=3.2.3p1
=3.3
=3.3p1
=3.4
=3.4p1
=3.5
=3.5p1
=3.6
=3.6.1
=3.6.1p1
=3.6.1p2
=3.7
=3.7.1
=3.7.1p1
=3.7.1p2
=3.8
=3.8.1
=3.8.1p1
=3.9
=3.9.1
=3.9.1p1
=4.0
=4.0p1
=4.1p1
=4.2
=4.2p1
=4.3
=4.3p1

Remedy

http://www.debian.org/security/2006/dsa-1189

Remedy

http://www.debian.org/security/2006/dsa-1212

Remedy

http://www.securityfocus.com/bid/20216

Remedy

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2006-4924?

    CVE-2006-4924 is classified as a high severity vulnerability due to its potential to cause denial of service.

  • How does CVE-2006-4924 affect OpenSSH?

    CVE-2006-4924 allows remote attackers to consume CPU resources, leading to denial of service via specially crafted SSH packets.

  • Which versions of OpenSSH are affected by CVE-2006-4924?

    CVE-2006-4924 affects versions of OpenSSH prior to 4.4 that utilize SSH protocol version 1.

  • How can I mitigate CVE-2006-4924?

    Mitigation for CVE-2006-4924 involves upgrading to OpenSSH version 4.4 or later, which includes fixes for this vulnerability.

  • Is CVE-2006-4924 related to other vulnerabilities in SSH?

    While CVE-2006-4924 specifically targets SSH protocol version 1, it highlights underlying weaknesses in older SSH implementations that may be exploited.

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