Google Asylo up to 0.6.0 enc_untrusted_recvfrom size buffer overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Asylo up to 0.6.0. Affected by this vulnerability is the function enc_untrusted_recvfrom. Performing a manipulation of the argument size results in buffer overflow. This vulnerability is cataloged as CVE-2020-8943. The attack must be initiated from a local position. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in Google Asylo up to 0.6.0. This affects the function enc_untrusted_recvfrom. The manipulation of the argument size with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 12/16/2020 as 6e158d558abd3c29a0208e30c97c9a8c5bd4230f. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-8943. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

• Google

Name

• Asylo

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6.0

License

• free

Website

• Vendor: https://www.google.com/
• Product: https://github.com/google/asylo/

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CPE 2.2info

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