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CVE-2011-0539

Published: 10 February 2011

The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote attackers to obtain sensitive stack memory contents or make it easier to conduct hash collision attacks.

Notes

AuthorNote
jdstrand
only version 5.6 and 5.7

Priority

Medium

Status

Package Release Status
openssh
Launchpad, Ubuntu, Debian
dapper Not vulnerable

hardy Not vulnerable

karmic Not vulnerable

lucid Not vulnerable

maverick Not vulnerable
(1:5.5p1-4ubuntu5)
upstream
Released (5.8p1)