CVE-2017-18267 Denial of service in n/a

What is CVE-2017-18267?

CVE-2017-18267 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 10 May 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The FoFiType1C::cvtGlyph function in fofi/FoFiType1C.cc in Poppler through 0.64.0 allows remote attackers to cause a denial of service (infinite recursion) via a crafted PDF file, as demonstrated by pdftops.

Weakness: CWE-835

Which versions are affected by CVE-2017-18267?

It affects 7 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Freedesktop Poppler, Redhat Ansible Tower, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server and 1 more.

How do I fix CVE-2017-18267?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-18267 being exploited?

There is no known exploitation of CVE-2017-18267 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-2017-18267, GHSA-j788-f9fx-qmj8, UBUNTU-CVE-2017-18267.