CVE-2017-16796 Memory corruption in n/a
Remote attackers can cause a denial of service via a crafted PNG file due to unchecked realloc return values in SWFTools.
- 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-2017-16796?
CVE-2017-16796 is a high-severity memory corruption vulnerability in Swftools Swftools, published on 12 Nov 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
In SWFTools 0.9.2, the png_load function in lib/png.c does not check the return value of a realloc call, which allows remote attackers to cause a denial of service (invalid write and application crash) or possibly have unspecified other impact via vectors involving an IDAT tag in a crafted PNG file.
Weakness: CWE-119
Which versions are affected by CVE-2017-16796?
It affects 1 product.
Products include Swftools Swftools.
How do I fix CVE-2017-16796?
No fix has been published for CVE-2017-16796 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-2017-16796 being exploited?
There is no known exploitation of CVE-2017-16796 in the wild and no public exploit code.
Other vulnerabilities in Swftools Swftools
Sources
Also known as GHSA-vj6f-mgq8-fwxp, UBUNTU-CVE-2017-16796.