Advisories ยป MGASA-2017-0134

Updated ntp packages fix security vulnerability

Publication date: 09 May 2017
Modification date: 09 May 2017
Type: security
Affected Mageia releases : 5
CVE: CVE-2017-6451 , CVE-2017-6458 , CVE-2017-6462 , CVE-2017-6463 , CVE-2017-6464

Description

A vulnerability was found in NTP, in the legacy MX4200 refclock
implementation. If this refclock was compiled in and used, an attacker may
be able to induce stack overflow, leading to a crash or potential code
execution (CVE-2017-6451).

A vulnerability was found in NTP, in the building of response packets with
custom fields. If custom fields were configured in ntp.conf with
particularly long names, inclusion of these fields in the response packet
could cause a buffer overflow, leading to a crash (CVE-2017-6458).

A vulnerability was found in NTP, in the parsing of packets from the
/dev/datum device. A malicious device could send crafted messages, causing
ntpd to crash (CVE-2017-6462).

A vulnerability was discovered in the NTP server's parsing of
configuration directives. A remote, authenticated attacker could cause
ntpd to crash by sending a crafted message (CVE-2017-6463).

A vulnerability was discovered in the NTP server's parsing of
configuration directives. A remote, authenticated attacker could cause
ntpd to crash by sending a crafted message (CVE-2017-6464).

References

SRPMS

5/core