CVE-2016-7434

Impact:
Low
Public Date:
2016-11-21
IAVA:
2017-A-0003
CWE:
CWE-20
Bugzilla:
1397334: CVE-2016-7434 ntp: read_mru_list() does inadequate incoming packet checks

The MITRE CVE dictionary describes this issue as:

The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query.

Find out more about CVE-2016-7434 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include support for mrulist.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 3.5
Base Metrics AV:N/AC:M/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 ntp Not affected
Red Hat Enterprise Linux 6 ntp Not affected
Red Hat Enterprise Linux 5 ntp Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation