CVE-2022-24787

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/vyperlang/vyper/commit/2c73f8352635c0a433423a5b94740de1a118e508	Patch Third Party Advisory
https://github.com/vyperlang/vyper/security/advisories/GHSA-7vrm-3jc8-5wwm	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-04-04 18:15

Updated : 2023-08-02 16:22

NVD link : CVE-2022-24787

Mitre link : CVE-2022-24787

CVE.ORG link : CVE-2022-24787

JSON object : View

Products Affected

vyperlang

vyper

CWE

CWE-697

Incorrect Comparison

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