CVE-2019-15145 Denial of service in n/a
Attackers can cause a denial-of-service crash in DjVuLibre by providing a corrupted JB2 image file that triggers an out-of-bounds read.
- 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-2019-15145?
CVE-2019-15145 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 18 Aug 2019. 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
DjVuLibre 3.5.27 allows attackers to cause a denial-of-service attack (application crash via an out-of-bounds read) by crafting a corrupted JB2 image file that is mishandled in JB2Dict::JB2Codec::get_direct_context in libdjvu/JB2Image.h because of a missing zero-bytes check in libdjvu/GBitmap.h.
Weakness: CWE-125
Which versions are affected by CVE-2019-15145?
It affects 5 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Djvulibre Project Djvulibre, Fedoraproject Fedora, Opensuse Leap.
How do I fix CVE-2019-15145?
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-2019-15145 being exploited?
There is no known exploitation of CVE-2019-15145 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-15145, GHSA-fhqx-x8f6-2w5w, UBUNTU-CVE-2019-15145.