FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

libssh -- authentication bypass vulnerability

Affected packages
0.6	<=	libssh	<	0.7.6
0.8	<=	libssh	<	0.8.4

Details

VuXML ID	2383767c-d224-11e8-9623-a4badb2f4699
Discovery	2018-10-16
Entry	2018-10-17

gladiac reports:

libssh versions 0.6 and above have an authentication bypass vulnerability in the server code. By presenting the server an SSH2_MSG_USERAUTH_SUCCESS message in place of the SSH2_MSG_USERAUTH_REQUEST message which the server would expect to initiate authentication, the attacker could successfully authentciate without any credentials.

[source]

References

CVE Name	CVE-2018-10933
URL	https://www.libssh.org/2018/10/16/libssh-0-8-4-and-0-7-6-security-and-bugfix-release/