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CVE-2010-4478

Publication date 6 December 2010

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
openssh 10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic
Not affected
8.04 LTS hardy
Not affected
6.06 LTS dapper
Not affected

Notes

sbeattie

openssh in karmic and prior does not include J-PAKE auth support; in lucid and maverick it's present but not enabled at compile time. Added a QRT regression test that looks for client-side support.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openssh