CVE-2021-26956 : An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a s

An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because bytes from an X server can be interpreted as any data type returned by xcb::xproto::GetPropertyReply::value.

Published 2021-02-09 23:15:14

Updated 2021-02-18 15:26:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-26956

Xcb Project » XCB » For Rust
Versions up to, including, (<=) 2021-02-04
cpe:2.3:a:xcb_project:xcb:*:*:*:*:*:rust:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-26956

EPSS FAQ

0.50%

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

~ 63 %

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

CVSS scores for CVE-2021-26956

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

References for CVE-2021-26956

https://rustsec.org/advisories/RUSTSEC-2021-0019.html

RUSTSEC-2021-0019: xcb: Multiple soundness issues › RustSec Advisory Database
Exploit;Vendor Advisory

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Vulnerability Details : CVE-2021-26956

Products affected by CVE-2021-26956

Exploit prediction scoring system (EPSS) score for CVE-2021-26956

CVSS scores for CVE-2021-26956

References for CVE-2021-26956