CVE-2018-7174 Denial of service in n/a
An attacker can cause a denial of service in xpdf via an infinite loop in XRef::Xref when processing streams.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-7174?
CVE-2018-7174 is a medium-severity denial of service vulnerability in Xpdfreader Xpdf, published on 15 Feb 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
An issue was discovered in xpdf 4.00. An infinite loop in XRef::Xref allows an attacker to cause denial of service because loop detection exists only for tables, not streams.
Weakness: CWE-835
Which versions are affected by CVE-2018-7174?
It affects 1 product.
Products include Xpdfreader Xpdf.
How do I fix CVE-2018-7174?
No fix has been published for CVE-2018-7174 yet. Limit exposure of the affected software until one is available.
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-2018-7174 being exploited?
There is no known exploitation of CVE-2018-7174 in the wild and no public exploit code.
Other vulnerabilities in Xpdfreader Xpdf
Sources
Also known as DEBIAN-CVE-2018-7174, GHSA-3mwf-8hp6-9vxf, UBUNTU-CVE-2018-7174.