CVE-2018-6520: Medium severity SimpleSAMLphp vulnerability
Open redirection protection bypass
Other sources
SimpleSAMLphp before 1.15.2 allows remote attackers to bypass an open redirect protection mechanism via crafted authority data in a URL.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/simplesamlphp/simplesamlphpto a version that resolves this vulnerability.Fixed in 1.15.2
Event History
Frequently Asked Questions
What is CVE-2018-6520?
CVE-2018-6520 is a vulnerability that allows remote attackers to bypass an open redirect protection mechanism in SimpleSAMLphp.
How does CVE-2018-6520 work?
CVE-2018-6520 works by exploiting a flaw in the authority data processing of SimpleSAMLphp, allowing attackers to bypass the open redirect protection mechanism.
What is the severity of CVE-2018-6520?
The severity of CVE-2018-6520 is medium, with a CVSS score of 6.1.
Which software is affected by CVE-2018-6520?
SimpleSAMLphp versions up to (but not including) 1.15.2 and versions between 1.12.0 and 1.15.1 are affected by CVE-2018-6520.
How can I fix CVE-2018-6520?
To fix CVE-2018-6520, upgrade to SimpleSAMLphp version 1.15.2 or later.