CVE-2018-11237 Memory corruption in n/a

What is CVE-2018-11237?

CVE-2018-11237 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 18 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

Weakness: CWE-787

Which versions are affected by CVE-2018-11237?

It affects 10 products.

Products include Canonical Ubuntu Linux, Gnu Glibc, Netapp Data Ontap Edge, Netapp Element Software Management, Oracle Communications Session Border Controller, Oracle Enterprise Communications Broker and 4 more.

How do I fix CVE-2018-11237?

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-2018-11237 being exploited?

There is no known exploitation of CVE-2018-11237 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-2018-11237, GHSA-fh43-5v3x-c3vr, UBUNTU-CVE-2018-11237.