A vulnerability has been found in SWFTools (Programming Tool Software) (unknown version) and classified as critical. Affected by this vulnerability is the function memcpy of the component gif2swf. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In SWFTools, a memcpy buffer overflow was found in gif2swf.

The bug was discovered 06/12/2017. The weakness was disclosed 11/17/2017 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2017-1000185 since 11/16/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 157 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-109599, VDB-109598, VDB-109596 and VDB-109595 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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• Programming Tool Software

Name

• SWFTools

License

• open-source

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