medium
5
CWE
NVD-CWE-Other
Advisory Published
CVE Published
Updated

CVE-2010-5107

First published: Thu Feb 07 2013(Updated: )

A denial of service flaw was found in the way default server configuration of OpenSSH, a open source implementation of SSH protocol versions 1 and 2, performed management of its connection slot. A remote attacker could use this flaw to cause connection slot exhaustion on the server. References: [1] <a href="http://seclists.org/oss-sec/2012/q1/1">http://seclists.org/oss-sec/2012/q1/1</a> [2] <a href="http://www.openwall.com/lists/oss-security/2013/02/06/5">http://www.openwall.com/lists/oss-security/2013/02/06/5</a> [3] <a href="http://www.openwall.com/lists/oss-security/2013/02/07/3">http://www.openwall.com/lists/oss-security/2013/02/07/3</a> Relevant upstream patches: [4] <a href="http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/servconf.c?r1=1.234#rev1.234">http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/servconf.c?r1=1.234#rev1.234</a> [5] <a href="http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd_config.5?r1=1.156#rev1.156">http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd_config.5?r1=1.156#rev1.156</a> [6] <a href="http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd_config?r1=1.89#rev1.89">http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd_config?r1=1.89#rev1.89</a>

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/openssh<6.2
6.2
OpenSSH=5.4
OpenSSH=3.8
OpenSSH=3.8.1p1
OpenSSH=4.3p2
OpenSSH=3.2.2
OpenSSH=3.1
OpenSSH=5.5
OpenSSH=3.0.2p1
OpenSSH=1.5.8
OpenSSH=5.8p2
OpenSSH=5.3
OpenSSH=4.1
OpenSSH=3.8.1
OpenSSH=2.1.1
OpenSSH=3.7.1p2
OpenSSH<=6.1
OpenSSH=4.8
OpenSSH=4.9
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=6.0
OpenSSH=3.2
OpenSSH=5.9
OpenSSH=3.6
OpenSSH=4.7
OpenSSH=1.5.7
OpenSSH=1.2.3
OpenSSH=3.7
OpenSSH=4.0p1
OpenSSH=3.5p1
OpenSSH=2.3.1
OpenSSH=3.0.1p1
OpenSSH=4.4
OpenSSH=3.7.1p1
OpenSSH=2.1
OpenSSH=1.2
OpenSSH=5.2
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=5.8
OpenSSH=2.9.9
OpenSSH=3.6.1
OpenSSH=4.1p1
OpenSSH=5.7
OpenSSH=1.2.2
OpenSSH=4.2p1
OpenSSH=4.5
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=4.4p1
OpenSSH=4.3p1
OpenSSH=3.5
OpenSSH=2.5
OpenSSH=5.1
OpenSSH=3.0p1
OpenSSH=3.3p1
OpenSSH=5.6
OpenSSH=4.3
OpenSSH=4.0
OpenSSH=3.9.1
OpenSSH=5.0
OpenSSH=1.3
OpenSSH=2.9p2
OpenSSH=1.5
OpenSSH=4.6

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2010-5107?

    The severity of CVE-2010-5107 is considered moderate due to its potential to cause denial of service through connection slot exhaustion.

  • How do I fix CVE-2010-5107?

    To fix CVE-2010-5107, it is recommended to update OpenSSH to version 6.3 or later.

  • What systems are affected by CVE-2010-5107?

    CVE-2010-5107 affects multiple versions of OpenSSH up to 6.2 and several older versions spanning from 1.2 to 6.2.

  • Can CVE-2010-5107 be exploited remotely?

    Yes, CVE-2010-5107 can be exploited remotely by an attacker to exhaust the connection slots on the affected OpenSSH server.

  • Is there a workaround for CVE-2010-5107?

    A workaround for CVE-2010-5107 includes configuring the OpenSSH server to limit concurrent connections from the same IP address.

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