MGASA-2019-0043 - Updated libssh packages fix security vulnerability

Publication date: 20 Jan 2019
URL: https://advisories.mageia.org/MGASA-2019-0043.html
Type: security
Affected Mageia releases: 6
CVE: CVE-2018-10933

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 (CVE-2018-10933).

References:
- https://bugs.mageia.org/show_bug.cgi?id=23711
- https://www.libssh.org/security/advisories/CVE-2018-10933.txt
- - - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10933

SRPMS:
- 6/core/libssh-0.7.7-1.mga6

Mageia 2019-0043: libssh security update

libssh versions 0.6 and above have an authentication bypass vulnerability in the server code

Summary

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 (CVE-2018-10933).

References

- https://bugs.mageia.org/show_bug.cgi?id=23711

- https://www.libssh.org/security/advisories/CVE-2018-10933.txt

- - - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10933

Resolution

MGASA-2019-0043 - Updated libssh packages fix security vulnerability

SRPMS

- 6/core/libssh-0.7.7-1.mga6

Severity
Publication date: 20 Jan 2019
URL: https://advisories.mageia.org/MGASA-2019-0043.html
Type: security
CVE: CVE-2018-10933

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