Use-After-Free Vulnerability in Rust Futures Task Crate
CVE-2020-35906

7.8HIGH

Key Information:

Vendor

Rust-lang
Status
Futures-task
Vendor
CVE Published:
31 December 2020

What is CVE-2020-35906?

A use-after-free vulnerability has been identified in the futures-task crate prior to version 0.3.6 for Rust. This issue occurs in a non-static type situation within the futures_task::waker functionality, potentially allowing for memory access problems that can lead to undefined behavior.

References

https://rustsec.org/advisories/RUSTSEC-2020-0060.html
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.