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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.

References:

http://www.openwall.com/lists/oss-security/2018/08/15/5
https://nvd.nist.gov/vuln/detail/CVE-2018-15473

Patch:

https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0

(from redmine: issue id 9316, created on 2018-08-22, closed on 2018-09-20)

• Relations:
  • child #9317 (closed)
  • child #9318 (closed)
  • child #9319 (closed)
  • child #9320 (closed)
  • child #9321 (closed)