CVE-2017-18209 Null dereference in n/a

What is CVE-2017-18209?

CVE-2017-18209 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 1 Mar 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

In the GetOpenCLCachedFilesDirectory function in magick/opencl.c in ImageMagick 7.0.7, a NULL pointer dereference vulnerability occurs because a memory allocation result is not checked, related to GetOpenCLCacheDirectory.

Weakness: CWE-476

Which versions are affected by CVE-2017-18209?

It affects 2 products.

Products include Canonical Ubuntu Linux, Imagemagick Imagemagick.

How do I fix CVE-2017-18209?

Apply the vendor's patch.

Is CVE-2017-18209 being exploited?

There is no known exploitation of CVE-2017-18209 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-2017-18209, GHSA-3f5j-23xp-rpp7, UBUNTU-CVE-2017-18209.