Description
Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 12 | | =1:10.0p1-1 || =1:10.0p1-2 || =1:10.0p1-3 || =1:10.0p1-4 || =1:10.0p1-5 || =1:10.0p1-5~bpo12+2 || =1:10.0p1-6 || =1:10.0p1-7 || =1:10.0p1-7~bpo12+1 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 || =1:9.2p1-2 || =1:9.2p1-2+deb12u1 || =1:9.2p1-2+deb12u2 || =1:9.2p1-2+deb12u3 || =1:9.2p1-2+deb12u4 || =1:9.2p1-2+deb12u5 || =1:9.2p1-2+deb12u6 || =1:9.2p1-2+deb12u7 || =1:9.2p1-2+deb12u8 || =1:9.2p1-2+deb12u9 || =1:9.3p1-1 || =1:9.3p1-1+loong64 || =1:9.3p2-1 || =1:9.4p1-1 || =1:9.5p1-1 || =1:9.5p1-2 || =1:9.6p1-1 || =1:9.6p1-2 || =1:9.6p1-3 || =1:9.6p1-4 || =1:9.6p1-5 || =1:9.7p1-1 || =1:9.7p1-2 || =1:9.7p1-3 || =1:9.7p1-3+hurd.1 || =1:9.7p1-4 || =1:9.7p1-5 || =1:9.7p1-6 || =1:9.7p1-7 || =1:9.8p1-1 || =1:9.8p1-2 || =1:9.8p1-3 || =1:9.8p1-4 || =1:9.8p1-7 || =1:9.8p1-8 || =1:9.9p1-1 || =1:9.9p1-2 || =1:9.9p1-3 || =1:9.9p1-3+hurd.1 || =1:9.9p2-1 || =1:9.9p2-2 |
debian 11 | | =1:10.0p1-1 || =1:10.0p1-2 || =1:10.0p1-3 || =1:10.0p1-4 || =1:10.0p1-5 || =1:10.0p1-5~bpo12+2 || =1:10.0p1-6 || =1:10.0p1-7 || =1:10.0p1-7~bpo12+1 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 || =1:8.4p1-5 || =1:8.4p1-5+deb11u1 || =1:8.4p1-5+deb11u2 || =1:8.4p1-5+deb11u3 || =1:8.4p1-5+deb11u4 || =1:8.4p1-5+deb11u5 || =1:8.4p1-5+deb11u6 || =1:8.4p1-6 || =1:8.7p1-1 || =1:8.7p1-2 || =1:8.7p1-3 || =1:8.7p1-4 || =1:8.8p1-1 || =1:8.9p1-1 || =1:8.9p1-2 || =1:8.9p1-3 || =1:9.0p1-1 || =1:9.1p1-1 || =1:9.1p1-2 || =1:9.2p1-1 || =1:9.2p1-2 || =1:9.3p1-1 || =1:9.3p1-1+loong64 || =1:9.3p2-1 || =1:9.4p1-1 || =1:9.5p1-1 || =1:9.5p1-2 || =1:9.6p1-1 || =1:9.6p1-2 || =1:9.6p1-3 || =1:9.6p1-4 || =1:9.6p1-5 || =1:9.7p1-1 || =1:9.7p1-2 || =1:9.7p1-3 || =1:9.7p1-3+hurd.1 || =1:9.7p1-4 || =1:9.7p1-5 || =1:9.7p1-6 || =1:9.7p1-7 || =1:9.8p1-1 || =1:9.8p1-2 || =1:9.8p1-3 || =1:9.8p1-4 || =1:9.8p1-7 || =1:9.8p1-8 || =1:9.9p1-1 || =1:9.9p1-2 || =1:9.9p1-3 || =1:9.9p1-3+hurd.1 || =1:9.9p2-1 || =1:9.9p2-2 |
debian 13 | | =1:10.0p1-7 || =1:10.0p1-7+deb13u1 || =1:10.0p1-7+deb13u2 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 |
debian 14 | | =1:10.0p1-7 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 |
 rpm rhel7 | | - |
rpm rhel8 | | - |
