Medium severity · published Feb 26, 2024
CVE-2024-24564
Vyper is a pythonic Smart Contract Language for the ethereum virtual machine
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VY
Vyper · Vyperlang
before 0.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-24564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-24564
Patch
https://github.com/vyperlang/vyper/commit/3d9c537142fb99b2672f21e2057f5f202cde194f
Exploit
https://github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx
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