CVE-2017-8400 Memory corruption in n/a
A heap-based buffer overflow in SWFTools allows attackers to cause denial of service or potentially execute arbitrary code via a malformed PNG file.
- 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-2017-8400?
CVE-2017-8400 is a high-severity memory corruption vulnerability in Swftools Swftools, published on 1 May 2017. 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
In SWFTools 0.9.2, an out-of-bounds write of heap data can occur in the function png_load() in lib/png.c:755. This issue can be triggered by a malformed PNG file that is mishandled by png2swf. Attackers could exploit this issue for DoS; it might cause arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2017-8400?
It affects 1 product.
Products include Swftools Swftools.
How do I fix CVE-2017-8400?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-8400 being exploited?
There is no known exploitation of CVE-2017-8400 in the wild and no public exploit code.
Other vulnerabilities in Swftools Swftools
Sources
Also known as GHSA-pqw9-r9pc-pw6x, MGASA-2017-0245, UBUNTU-CVE-2017-8400.