CVE-2018-17101 Memory corruption in n/a

What is CVE-2018-17101?

CVE-2018-17101 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 16 Sep 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Weakness: CWE-787

Which versions are affected by CVE-2018-17101?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Libtiff Libtiff.

How do I fix CVE-2018-17101?

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-2018-17101 being exploited?

There is no known exploitation of CVE-2018-17101 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 ALPINE-CVE-2018-17101, DEBIAN-CVE-2018-17101, GHSA-g4cc-75rh-qvmv, UBUNTU-CVE-2018-17101.