CVE-2020-36434 : An issue was discovered in the sys-info crate before 0.8.0 for Rust. sys

An issue was discovered in the sys-info crate before 0.8.0 for Rust. sys_info::disk_info calls can trigger a double free.

Published 2021-08-08 06:15:07

Updated 2021-08-13 17:22:10

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2020-36434

Sys-info Project » Sys-info » For Rust
Versions before (<) 0.8.0
cpe:2.3:a:sys-info_project:sys-info:*:*:*:*:*:rust:*:*
Matching versions

EPSS FAQ

0.43%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 61 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Assigned by: nvd@nist.gov (Primary)

https://rustsec.org/advisories/RUSTSEC-2020-0100.html

RUSTSEC-2020-0100: sys-info: Double free when calling `sys_info::disk_info` from multiple threads › RustSec Advisory Database
Third Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/sys-info/RUSTSEC-2020-0100.md

Third Party Advisory

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