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Test ID:1.3.6.1.4.1.25623.1.0.131123
Category:Mageia Linux Local Security Checks
Title:Mageia Linux Local Check: mgasa-2015-0418
Summary:Mageia Linux Local Security Checks mgasa-2015-0418
Description:Summary:
Mageia Linux Local Security Checks mgasa-2015-0418

Vulnerability Insight:
Yves Younan discovered that NTP incorrectly handled logfile and keyfile directives. In a non-default configuration, a remote authenticated attacker could possibly use this issue to cause NTP to enter a loop, resulting in a denial of service (CVE-2015-7850). Yves Younan discovered that NTP incorrectly handled reference clock memory. A malicious refclock could possibly use this issue to cause NTP to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2015-7853). John D Doug Birdwell discovered that NTP incorrectly handled decoding certain bogus values. An attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service (CVE-2015-7855).

Solution:
Update the affected packages to the latest available version.

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-7850
BugTraq ID: 77279
http://www.securityfocus.com/bid/77279
Debian Security Information: DSA-3388 (Google Search)
http://www.debian.org/security/2015/dsa-3388
https://security.gentoo.org/glsa/201607-15
http://www.securitytracker.com/id/1033951
Common Vulnerability Exposure (CVE) ID: CVE-2015-7853
BugTraq ID: 77273
http://www.securityfocus.com/bid/77273
Bugtraq: 20151022 Cisco Security Advisory: Multiple Vulnerabilities in ntpd Affecting Cisco Products - October 2015 (Google Search)
http://www.securityfocus.com/archive/1/536737/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
Bugtraq: 20151026 FreeBSD Security Advisory FreeBSD-SA-15:25.ntp (Google Search)
http://www.securityfocus.com/archive/1/536760/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
Bugtraq: 20151029 [slackware-security] ntp (SSA:2015-302-03) (Google Search)
http://www.securityfocus.com/archive/1/536796/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
Bugtraq: 20151104 FreeBSD Security Advisory FreeBSD-SA-15:25.ntp [REVISED] (Google Search)
http://www.securityfocus.com/archive/1/536833/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
Cisco Security Advisory: 20151021 Multiple Vulnerabilities in ntpd Affecting Cisco Products - October 2015
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html
http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
http://www.talosintel.com/vulnerability-reports/
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
SuSE Security Announcement: SUSE-SU-2016:1247 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
SuSE Security Announcement: SUSE-SU-2016:1311 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
SuSE Security Announcement: SUSE-SU-2016:1912 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
SuSE Security Announcement: SUSE-SU-2016:2094 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
SuSE Security Announcement: openSUSE-SU-2015:2016 (Google Search)
http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
SuSE Security Announcement: openSUSE-SU-2016:1423 (Google Search)
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
http://www.ubuntu.com/usn/USN-2783-1
Common Vulnerability Exposure (CVE) ID: CVE-2015-7855
BugTraq ID: 77283
http://www.securityfocus.com/bid/77283
https://www.exploit-db.com/exploits/40840/
CopyrightCopyright (C) 2015 Eero Volotinen

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