NTP: Network Time Protocol Daemon decodenetnum Assertion Failure

This signature detects attempts to exploit a known vulnerability in Network Time Protocol daemon (NTPD). A successful attack can lead to denial-of-service.

Extended Description

The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.

Affected Products

Netapp oncommand_performance_manager

Short Name
NTP:DECODENETNUM-AF
Severity
Major
Recommended
True
Recommended Action
Drop
Category
NTP
Keywords
Assertion CVE-2015-7855 Daemon Failure Network Protocol Time decodenetnum
Release Date
02/08/2016
Supported Platforms

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vsrx-19.2

srx-19.3

srx-branch-12.3

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx-12.3

vmx-19.3

srx-12.3

Sigpack Version
3590
False Positive
Unknown
Vendors

Ntp

Netapp

Debian

CVSS Score

4.0

Found a potential security threat?