CVE-2022-24787

Description

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine. In version 0.3.1 and prior, bytestrings can have dirty bytes in them, resulting in the word-for-word comparisons giving incorrect results. Even without dirty nonzero bytes, two bytestrings can compare to equal if one ends with "x00" because there is no comparison of the length. A patch is available and expected to be part of the 0.3.2 release. There are currently no known workarounds.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Score

Exploitation Probability

0.237

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2022-24787,CVE-2022-24788,CVE-2022-24845 are fixed in Python-vyper 0.3.2	Windows
Vulnerabilities CVE-2022-24787,CVE-2022-24788,CVE-2022-24845 are fixed in Python-vyper for linux 0.3.2	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234