Test ID:	1.3.6.1.4.1.25623.1.1.10.2016.0280
Category:	Mageia Linux Local Security Checks
Title:	Mageia: Security Advisory (MGASA-2016-0280)
Summary:	The remote host is missing an update for the 'openssh' package(s) announced via the MGASA-2016-0280 advisory.
Description:	Summary: The remote host is missing an update for the 'openssh' package(s) announced via the MGASA-2016-0280 advisory. Vulnerability Insight: The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled and PAM is configured to read .pam_environment files in user home directories, allows local users to gain privileges by triggering a crafted environment for the /bin/login program, as demonstrated by an LD_PRELOAD environment variable (CVE-2015-8325). When SSHD tries to authenticate a non-existing user, it will pick up a fake password structure hard-coded in the SSHD source code. An attacker can measure timing information to determine if a user exists when verifying a password (CVE-2016-6210). The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string (CVE-2016-6515). Note that CVE-2015-8325 and CVE-2016-6210 wouldn't affect most Mageia systems, as UseLogin is not enabled by default and Mageia uses Blowfish password hashes by default. Affected Software/OS: 'openssh' package(s) on Mageia 5. Solution: Please install the updated package(s). CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2015-8325 BugTraq ID: 86187 http://www.securityfocus.com/bid/86187 Debian Security Information: DSA-3550 (Google Search) http://www.debian.org/security/2016/dsa-3550 https://security.gentoo.org/glsa/201612-18 RedHat Security Advisories: RHSA-2016:2588 http://rhn.redhat.com/errata/RHSA-2016-2588.html RedHat Security Advisories: RHSA-2017:0641 http://rhn.redhat.com/errata/RHSA-2017-0641.html http://www.securitytracker.com/id/1036487 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 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 Common Vulnerability Exposure (CVE) ID: CVE-2016-6515 BugTraq ID: 92212 http://www.securityfocus.com/bid/92212 https://www.exploit-db.com/exploits/40888/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/ FreeBSD Security Advisory: FreeBSD-SA-17:06 https://security.FreeBSD.org/advisories/FreeBSD-SA-17:06.openssh.asc http://packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.html https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html http://openwall.com/lists/oss-security/2016/08/01/2
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