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CVE-2018-6521

UnknownEPSS 3.11%

Last modified

CVE-2018-6521 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.11% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.11%

86.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
SimplesamlphpSimplesamlphp< 1.15.2
DebianDebian Linux7.0
DebianDebian Linux8.0
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-6521?
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.
How severe is CVE-2018-6521?
Severity scoring for CVE-2018-6521 is pending analysis. The EPSS model estimates a 3.11% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6521?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST