CVE-2018-8102 Denial of service in n/a
Attackers can cause a denial of service via a crafted PDF file exploiting a buffer over-read in the JBIG2 decoder.
- 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-2018-8102?
CVE-2018-8102 is a medium-severity denial of service vulnerability in Xpdfreader Xpdf, published on 14 Mar 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 JBIG2MMRDecoder::getBlackCode function in JBIG2Stream.cc in xpdf 4.00 allows attackers to launch denial of service (buffer over-read and application crash) via a specific pdf file, as demonstrated by pdftohtml.
Weakness: CWE-125
Which versions are affected by CVE-2018-8102?
It affects 1 product.
Products include Xpdfreader Xpdf.
How do I fix CVE-2018-8102?
No fix has been published for CVE-2018-8102 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-2018-8102 being exploited?
There is no known exploitation of CVE-2018-8102 in the wild and no public exploit code.
Other vulnerabilities in Xpdfreader Xpdf
Sources
Also known as DEBIAN-CVE-2018-8102, GHSA-jvg8-7vpm-4pv9, UBUNTU-CVE-2018-8102.