CVE-2015-8158 Denial of service in n/a

What is CVE-2015-8158?

CVE-2015-8158 is a medium-severity denial of service 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

The getresponse function in ntpq in NTP versions before 4.2.8p9 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (infinite loop) via crafted packets with incorrect values.

Which versions are affected by CVE-2015-8158?

It affects 1 product.

Products include Ntp Ntp.

How do I fix CVE-2015-8158?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-8158 being exploited?

There is no known exploitation of CVE-2015-8158 in the wild and no public exploit code.

Other vulnerabilities in Ntp Ntp

• CVE-2018-12327 Memory corruption in n/a Critical 9.8
• CVE-2017-6460 Memory corruption in n/a High 8.8
• CVE-2019-11331 Other in n/a High 8.1
• CVE-2017-6451 Memory corruption in n/a High 7.8
• CVE-2017-6452 Memory corruption in n/a High 7.8

All Ntp Ntp vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-8158, GHSA-v47v-wc4h-2jgc, UBUNTU-CVE-2015-8158.