CVE-2018-7183 Memory corruption in n/a

What is CVE-2018-7183?

CVE-2018-7183 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 8 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.

Weakness: CWE-787

Which versions are affected by CVE-2018-7183?

It affects 4 products.

Products include Canonical Ubuntu Linux, Freebsd Freebsd, Netapp Element Software, Ntp Ntp.

How do I fix CVE-2018-7183?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-7183 being exploited?

There is no known exploitation of CVE-2018-7183 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2018-7183, GHSA-9429-whv8-4h3p, UBUNTU-CVE-2018-7183.