A vulnerability was found in Proxygen (Firewall Software). It has been classified as problematic. This affects an unknown part of the component HTTP2 Parser. The manipulation as part of a Header/Trailer leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This affects Proxygen prior to v2018.12.31.00.

The bug was discovered 12/28/2018. The weakness was disclosed 12/31/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-6347 since 01/26/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2018.12.31.00 eliminates this vulnerability.

The entries 128606 and 128604 are pretty similar.

Productinfo

Type

• Firewall Software

Name

• Proxygen

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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