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f5F5F5:K17525
HistoryNov 06, 2015 - 12:00 a.m.

K17525 : NTP vulnerability CVE-2015-7853

2015-11-0600:00:00
my.f5.com
24

9.7 High

AI Score

Confidence

High

0.073 Low

EPSS

Percentile

94.1%

Security Advisory Description

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value. (CVE-2015-7853)

Impact

Running a custom refclock driver in ntpdcould overflow a data buffer under certain conditions. Running a custom installed refclock driver is not a supported configuration in F5 products.