A vulnerability has been found in Crypto++ up to 5.6.5 and classified as critical. Affected by this vulnerability is an unknown part of the file zinflate.cpp of the component Inflator Filter. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Crypto++ (aka cryptopp) through 5.6.5 contains an out-of-bounds read vulnerability in zinflate.cpp in the Inflator filter.

The bug was discovered 06/06/2017. The weakness was published 06/05/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2017-9434. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

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 SecurityFocus (BID 99007†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Crypto++

Version

• 5.6.0
• 5.6.1
• 5.6.2
• 5.6.3
• 5.6.4
• 5.6.5

License

• open-source

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