CVE-2018-6521 The advisory has been revoked - it doesn't affect any version of package simplesamlphp (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1904-SIMPLESAMLPHP-646101
- published2 Feb 2018
- disclosed2 Feb 2018
Introduced: 2 Feb 2018
CVE-2018-6521 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream simplesamlphp package and not the simplesamlphp package as distributed by Ubuntu.
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.