PSF-2022-11

vendorUSosv

Buffer overflow in the _sha3 module in Python 3.10 and older

view advisory published 2022-10-21Licence: per source

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2022-37454US	critical9.8	7.41% (94th)	—	2022-10-21
The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate exp…

references

External citations — patches, advisories, analysis.

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2022-37454WEB
https://github.com/XKCP/XKCP/security/advisories/GHSA-6w4m-2xhg-2658WEB
https://github.com/python/cpython/issues/98517REPORT
https://mouha.be/sha-3-buffer-overflow/WEB

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