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CVE-2021-41121

HIGH
Published 2021-10-06T17:10:51
Actions:

Expert Analysis

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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.440
Higher than 44.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions when performing a function call inside a literal struct, there is a memory corruption issue that occurs because of an incorrect pointer to the the top of the stack. This issue has been resolved in version 0.3.0.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

vyperlang

vyper

Affected Versions:

< 0.3.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Memory corruption when returning a literal struct with a private call inside of it

GHSA-xv8x-pr4h-73jv

Advisory Details

### Impact When performing a function call inside a literal struct, there is a memory corruption issue that occurs because of an incorrect pointer to the the top of the stack. ### Patches 0.3.0 / #2447 *

Affected Packages

PyPI vyper
ECOSYSTEM: ≥0 <0.3.0

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

WEB https://github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jv
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-41121
WEB https://github.com/vyperlang/vyper/pull/2447
WEB https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2021-365.yaml
PACKAGE https://github.com/vyperlang/vyper

Advisory provided by GitHub Security Advisory Database. Published: October 12, 2021, Modified: November 18, 2024

References

https://github.com/vyperlang/vyper/pull/2447
https://github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jv
Published: 2021-10-06T17:10:51
Last Modified: 2024-08-04T02:59:31.559Z
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