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Radicale regex metacharacters injection in the user name

Moderate severity GitHub Reviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Oct 16, 2024

Package

pip Radicale (pip)

Affected versions

< 1.1

Patched versions

1.1

Description

Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by .*.

References

Published by the National Vulnerability Database Feb 3, 2016
Published to the GitHub Advisory Database May 17, 2022
Reviewed Apr 29, 2024
Last updated Oct 16, 2024

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
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS score

0.711%
(80th percentile)

Weaknesses

CVE ID

CVE-2015-8748

GHSA ID

GHSA-6w8c-6jrg-qwj2

Source code

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