// For flags

CVE-2024-24564

Vyper extract32 can ready dirty memory

Severity Score

3.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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 affects 0.3.10 and earlier versions.

Vyper es un lenguaje de contrato inteligente pitónico para la máquina virtual ethereum. Cuando se utiliza el `extract32(b, start)` integrado, si el índice `start` proporcionado tiene como efecto secundario actualizar `b`, la matriz de bytes de la que extraer `32` bytes, podría ser que "extract32" lea y devuelva algo de memoria sucia. Esta vulnerabilidad afecta a la versión 0.3.10 y versiones anteriores.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-01-25 CVE Reserved
  • 2024-02-26 CVE Published
  • 2024-02-27 EPSS Updated
  • 2024-10-25 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Vyperlang
Search vendor "Vyperlang"
Vyper
Search vendor "Vyperlang" for product "Vyper"
< 0.4.0
Search vendor "Vyperlang" for product "Vyper" and version " < 0.4.0"
en
Affected