Test ID:	1.3.6.1.4.1.25623.1.0.703626
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-3626-1)
Summary:	The remote host is missing an update for the Debian 'openssh' package(s) announced via the DSA-3626-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'openssh' package(s) announced via the DSA-3626-1 advisory. Vulnerability Insight: Eddie Harari reported that the OpenSSH SSH daemon allows user enumeration through timing differences when trying to authenticate users. When sshd tries to authenticate a non-existing user, it will pick up a fixed fake password structure with a hash based on the Blowfish algorithm. If real users passwords are hashed using SHA256/SHA512, then a remote attacker can take advantage of this flaw by sending large passwords, receiving shorter response times from the server for non-existing users. For the stable distribution (jessie), this problem has been fixed in version 1:6.7p1-5+deb8u3. For the unstable distribution (sid), this problem has been fixed in version 1:7.2p2-6. We recommend that you upgrade your openssh packages. Affected Software/OS: 'openssh' package(s) on Debian 8. Solution: Please install the updated package(s). CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-6210 BugTraq ID: 91812 http://www.securityfocus.com/bid/91812 Debian Security Information: DSA-3626 (Google Search) http://www.debian.org/security/2016/dsa-3626 https://www.exploit-db.com/exploits/40113/ https://www.exploit-db.com/exploits/40136/ http://seclists.org/fulldisclosure/2016/Jul/51 https://security.gentoo.org/glsa/201612-18 RedHat Security Advisories: RHSA-2017:2029 https://access.redhat.com/errata/RHSA-2017:2029 RedHat Security Advisories: RHSA-2017:2563 https://access.redhat.com/errata/RHSA-2017:2563 http://www.securitytracker.com/id/1036319
Copyright	Copyright (C) 2016 Greenbone AG

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