CVE-2018-18915 Denial of service in n/a
A crafted image input triggers an infinite loop in Exiv2, causing a remote denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-18915?
CVE-2018-18915 is a medium-severity denial of service vulnerability in Exiv2 Exiv2, published on 3 Nov 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
There is an infinite loop in the Exiv2::Image::printIFDStructure function of image.cpp in Exiv2 0.27-RC1. A crafted input will lead to a remote denial of service attack.
Weakness: CWE-835
Which versions are affected by CVE-2018-18915?
It affects 1 product.
Products include Exiv2 Exiv2.
How do I fix CVE-2018-18915?
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-2018-18915 being exploited?
There is no known exploitation of CVE-2018-18915 in the wild and no public exploit code.
Other vulnerabilities in Exiv2 Exiv2
Sources
Also known as GHSA-mmfw-8c89-fjj3.