Updated ntp package fixes security vulnerabilities
Publication date: 30 Oct 2015Type: security
Affected Mageia releases : 5
CVE: CVE-2015-7850 , CVE-2015-7853 , CVE-2015-7855
Description
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).
References
- https://bugs.mageia.org/show_bug.cgi?id=17041
- http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
- http://www.ubuntu.com/usn/usn-2783-1/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7850
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7853
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7855
SRPMS
5/core
- ntp-4.2.6p5-24.3.mga5