CVE-2020-35865 : An issue was discovered in the os_str_bytes crate before 2.0.0 for Rust. It has

An issue was discovered in the os_str_bytes crate before 2.0.0 for Rust. It has false expectations about char::from_u32_unchecked behavior.

Published 2020-12-31 10:15:15

Updated 2021-01-07 16:17:55

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-35865

Os Str Bytes Project » Os Str Bytes » For Rust
Versions before (<) 2.0.0
cpe:2.3:a:os_str_bytes_project:os_str_bytes:*:*:*:*:*:rust:*:*
Matching versions

EPSS FAQ

0.09%

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

~ 41 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

https://rustsec.org/advisories/RUSTSEC-2020-0012.html

RUSTSEC-2020-0012: os_str_bytes: Relies on undefined behavior of `char::from_u32_unchecked` › RustSec Advisory Database
Patch;Third Party Advisory

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