Related Vulnerabilities: CVE-2018-15473  

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

Severity Medium

Remote Yes

Type Information disclosure

Description

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth4-gss.c, auth4-hostbased.c, and auth4-pubkey.c.

AVG-763 openssh 7.7p1-2 7.8p1-1 Medium Fixed

http://www.openwall.com/lists/oss-security/2018/08/15/5
http://www.securitytracker.com/id/1041487
https://bugs.debian.org/906236
https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0
https://lists.debian.org/debian-lts-announce/2018/08/msg00022.html