CVE-2015-8139 Auth bypass in n/a

Medium 5.3 Published Updated

Remote attackers can impersonate NTP peers by obtaining origin timestamps, bypassing authentication mechanisms in the NTP daemon.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2015-8139?

CVE-2015-8139 is a medium-severity authentication bypass vulnerability in Ntp Ntp, published on 30 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.

Weakness: CWE-284

Which versions are affected by CVE-2015-8139?

It affects 1 product.

Products include Ntp Ntp.

How do I fix CVE-2015-8139?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2015-8139 being exploited?

There is no known exploitation of CVE-2015-8139 in the wild and no public exploit code.

All Ntp Ntp vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-8139, GHSA-qmqw-w975-8wjm, UBUNTU-CVE-2015-8139.

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