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CVE-2022-24845— Integer bounds error in Vyper

Quick assessment

Affected
vyperlang vyper
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vyper是EVM 的 Pythonic 智能合约语言。 Vyper 存在输入验证错误漏洞，该漏洞源于<iface>.returns_int128()的返回未被验证落入int128的范围内。

CVSS 8.8 · High EPSS 1.38% · P70
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I. Basic Information for CVE-2022-24845

Vulnerability Information
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Vulnerability Title
Integer bounds error in Vyper
Source: CVE Program / CVE List V5
Vulnerability Description
Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of `<iface>.returns_int128()` is not validated to fall within the bounds of `int128`. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0, `<iface>.returns_int128()` is validated in simple expressions, but not complex expressions. Users are advised to upgrade. There is no known workaround for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Vyper 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vyper是EVM 的 Pythonic 智能合约语言。 Vyper 存在输入验证错误漏洞，该漏洞源于<iface>.returns_int128()的返回未被验证落入int128的范围内。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vyperlang vyper < 0.3.2 -

II. Public POCs for CVE-2022-24845

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III. Intelligence Information for CVE-2022-24845

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Patches & Fixes for CVE-2022-24845 (1)

Vendor Advisories for CVE-2022-24845 (1)

IV. Related Vulnerabilities

Same product: vyper
Same vendor: vyperlang
Same weakness: CWE-190

V. Comments for CVE-2022-24845

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