Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Simplesamlphp | Simplesamlphp | < 1.15.2 |
| Debian | Debian Linux | 7.0 |
References
- https://lists.debian.org/debian-lts-announce/2018/02/msg00008.htmlExploitMailing ListThird Party Advisory
- https://simplesamlphp.org/security/201801-03Vendor Advisory
- https://www.debian.org/security/2018/dsa-4127Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00008.htmlExploitMailing ListThird Party Advisory
- https://simplesamlphp.org/security/201801-03Vendor Advisory
- https://www.debian.org/security/2018/dsa-4127Third Party Advisory
FAQ
What is CVE-2018-6521?
CVE-2018-6521 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 remot...
How severe is CVE-2018-6521?
CVE-2018-6521 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-6521?
Check the references section above for vendor advisories and patch information. Affected products include: Simplesamlphp Simplesamlphp, Debian Debian Linux.