A vulnerability has been found in DivFix++ 0.34 and classified as problematic. Affected by this vulnerability is the function DivFixppCore::avi_header_fix of the file DivFix++Core.cpp of the component AVI File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

The DivFixppCore::avi_header_fix function in DivFix++Core.cpp in DivFix++ v0.34 allows remote attackers to cause a denial of service (invalid memory write and application crash) via a crafted avi file.

The bug was discovered 07/30/2017. The weakness was presented 07/31/2017 (Website). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2017-11330 since 07/14/2017. 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 and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 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 vulnerability is also documented in the vulnerability database at Exploit-DB (42396). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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• DivFix++

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• 0.34

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