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Unsafe parsing in SWHKD

Moderate severity GitHub Reviewed Published Apr 8, 2022 to the GitHub Advisory Database • Updated Aug 17, 2023

Package

cargo Simple-Wayland-HotKey-Daemon (Rust)

Affected versions

< 1.2.0

Patched versions

1.2.0

Description

SWHKD 1.1.5 allows unsafe parsing via the -c option. An information leak might occur but there is a simple denial of service (memory exhaustion) upon an attempt to parse a large or infinite file (such as a block or character device).

References

Published by the National Vulnerability Database Apr 7, 2022
Published to the GitHub Advisory Database Apr 8, 2022
Reviewed Apr 8, 2022
Last updated Aug 17, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H

EPSS score

0.075%
(34th percentile)

Weaknesses

CVE ID

CVE-2022-27819

GHSA ID

GHSA-h6xw-mghq-7523

Source code

Credits

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