CVE-2017-7894 Memory corruption in n/a
WinDjView allows remote code execution via a crafted DjVu file due to a null pointer dereference, requiring user interaction to open the 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
- None listed
What is CVE-2017-7894?
CVE-2017-7894 is a high-severity memory corruption vulnerability in n/a, published on 5 Jul 2017. 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
WinDjView 2.1 might allow user-assisted attackers to execute code via a crafted .djvu file, because of a "User Mode Write AV near NULL" in WinDjView.exe. One threat model is a victim who obtains an untrusted .djvu file from a remote location and issues several user-defined commands.
Which versions are affected by CVE-2017-7894?
It affects 1 product.
Products include Windjview Project Windjview.
How do I fix CVE-2017-7894?
No fix has been published for CVE-2017-7894 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-7894 being exploited?
There is no known exploitation of CVE-2017-7894 in the wild and no public exploit code.
Sources
Also known as GHSA-h668-298j-7ff3.