CVE-2018-4868 Denial of service in n/a
Remote attackers can cause denial of service via excessive memory allocation in Exiv2 by providing a crafted file.
- 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
- Available
What is CVE-2018-4868?
CVE-2018-4868 is a medium-severity denial of service vulnerability in Exiv2 Exiv2, published on 3 Jan 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 Exiv2::Jp2Image::readMetadata function in jp2image.cpp in Exiv2 0.26 allows remote attackers to cause a denial of service (excessive memory allocation) via a crafted file.
Weakness: CWE-770
Which versions are affected by CVE-2018-4868?
It affects 1 product.
Products include Exiv2 Exiv2.
How do I fix CVE-2018-4868?
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-2018-4868 being exploited?
There is no known exploitation of CVE-2018-4868 in the wild and no public exploit code.
Other vulnerabilities in Exiv2 Exiv2
Sources
Also known as GHSA-8x93-7gj9-73c3.