CVE-2018-16323 Information disclosure in n/a

What is CVE-2018-16323?

CVE-2018-16323 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 1 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

ReadXBMImage in coders/xbm.c in ImageMagick before 7.0.8-9 leaves data uninitialized when processing an XBM file that has a negative pixel value. If the affected code is used as a library loaded into a process that includes sensitive information, that information sometimes can be leaked via the image data.

Weakness: CWE-200

Which versions are affected by CVE-2018-16323?

It affects 2 products.

Products include Canonical Ubuntu Linux, Imagemagick Imagemagick.

How do I fix CVE-2018-16323?

Upgrade to a fixed version.

Is CVE-2018-16323 being exploited?

There is no known exploitation of CVE-2018-16323 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

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-2018-16323, GHSA-q2cj-g3jg-cp49, UBUNTU-CVE-2018-16323.