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{"bugzilla": {"description": "OpenSSH: legacy certificate generation information leak", "id": "675254", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=675254"}, "csaw": false, "details": ["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."], "name": "CVE-2011-0539", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-0539\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-0539"], "statement": "Not vulnerable. This issue did not affect the versions of openssh as shipped with Red Hat Enterprise Linux 4, 5, or 6.", "threat_severity": "Low"}