high
7.5
CWE
287
Advisory Published
Updated

CVE-2010-4478

First published: Mon Dec 06 2010(Updated: )

OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol, a related issue to CVE-2010-4252.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
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=5.3
OpenSSH=4.1
OpenSSH=3.8.1
OpenSSH=2.1.1
OpenSSH=3.7.1p2
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=3.2
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=2.9.9
OpenSSH=3.6.1
OpenSSH=4.7p1
OpenSSH=4.1p1
OpenSSH=1.2.2
OpenSSH=4.2p1
OpenSSH=4.5
OpenSSH=2.9p1
OpenSSH=2.9
OpenSSH=3.7.1
OpenSSH<=5.6
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=4.3
OpenSSH=4.0
OpenSSH=3.9.1
OpenSSH=5.0
OpenSSH=1.3
OpenSSH=2.9p2
OpenSSH=1.5
OpenSSH=4.6

Remedy

http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5

Remedy

http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c.diff?r1=1.4;r2=1.5;f=h

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=659297

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2010-4478?

    CVE-2010-4478 is classified as a medium severity vulnerability due to the ability of an attacker to bypass authentication.

  • How do I fix CVE-2010-4478?

    To fix CVE-2010-4478, upgrade to OpenSSH version 5.7 or later, which includes the required security patches.

  • What does CVE-2010-4478 affect?

    CVE-2010-4478 affects OpenSSH versions 5.6 and earlier, specifically when the J-PAKE protocol is enabled.

  • Can exploiting CVE-2010-4478 lead to unauthorized access?

    Yes, exploiting CVE-2010-4478 allows remote attackers to authenticate without knowledge of the shared secret.

  • What is the J-PAKE protocol related to CVE-2010-4478?

    The J-PAKE protocol is a key agreement protocol that allows two parties to establish a shared key, which CVE-2010-4478 improperly validates.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203