Advisories ยป MGASA-2015-0418

Updated ntp package fixes security vulnerabilities

Publication date: 30 Oct 2015
Modification date: 30 Oct 2015
Type: 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

SRPMS

5/core