Loading...
Skip to main content
GeekWala

CVE-2018-6521 — Vulnerability in simplesamlphp/simplesamlphp — CVE...

CRITICAL

SimpleSAMLphp Use of insecure connection charset (sqlauth module)

Published May 13, 2022Updated December 7, 2024Source: osv

Summary

The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.

Advisory Timeline

  • First published May 13, 2022 (1613 days ago).
  • Last revised December 7, 2024 — 939 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update simplesamlphp/simplesamlphp to 1.15.2 or later
composer require "simplesamlphp/simplesamlphp:^1.15.2"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
simplesamlphp/simplesamlphp
packagist
v1.12.0, v1.13.0, v1.13.0-rc1, v1.13.0-rc2 (+26 more)1.15.2

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2018-6521?
SimpleSAMLphp Use of insecure connection charset (sqlauth module) This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2018-6521?
CVE-2018-6521 affects simplesamlphp/simplesamlphp. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2018-6521 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-qv5p-6wrc-79wg

Related CVEs

More Packagist advisories

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies