SB2019110714 - Debian update for simplesamlphp
Published: November 7, 2019
Security Bulletin ID
SB2019110714
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reachable Assertion (CVE-ID: CVE-2019-3465)
The vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to an assertion failure when processing signatures, related to XPath expression "./secdsig:SignedInfo/secdsig:Reference". A remote attacker with ability to retrieve IdP can impersonate any user i the application.
Successful exploitation of the vulnerability may allow an attacker to gain access to sensitive information or compromise the affected application.
Remediation
Install update from vendor's website.