Test Kennung:	1.3.6.1.4.1.25623.1.0.704322
Kategorie:	Debian Local Security Checks
Titel:	Debian Security Advisory DSA 4322-1 (libssh - security update)
Zusammenfassung:	Peter Winter-Smith of NCC Group discovered that libssh, a tiny C SSH;library, contains an authentication bypass vulnerability in the server;code. An attacker can take advantage of this flaw to successfully;authenticate without any credentials 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.
Beschreibung:	Summary: Peter Winter-Smith of NCC Group discovered that libssh, a tiny C SSH library, contains an authentication bypass vulnerability in the server code. An attacker can take advantage of this flaw to successfully authenticate without any credentials 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. Affected Software/OS: libssh on Debian Linux Solution: For the stable distribution (stretch), this problem has been fixed in version 0.7.3-2+deb9u1. We recommend that you upgrade your libssh packages. CVSS Score: 6.4 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2018-10933
Copyright	Copyright (C) 2018 Greenbone Networks GmbH

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