CVE-2021-26955

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because xcb::xproto::GetAtomNameReply::name() calls std::str::from_utf8_unchecked() on unvalidated bytes from an X server.
Overview
  • CVE ID
  • CVE-2021-26955
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-02-09T23:15:13
  • Last Modified Date
  • 2021-02-18T15:30:02
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:xcb_project:xcb:*:*:*:*:*:rust:*:* 1 OR 2021-02-04
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://rustsec.org/advisories/RUSTSEC-2021-0019.html Exploit Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:22:37 Added to TrackCVE
2022-12-05 21:47:22 2021-02-09T23:15Z 2021-02-09T23:15:13 CVE Published Date updated
2022-12-05 21:47:22 2021-02-18T15:30:02 CVE Modified Date updated
2022-12-05 21:47:22 Analyzed Vulnerability Status updated