SB2017040508 - Improper Certificate Validation in FreeRADIUS
Published: April 5, 2017 Updated: July 28, 2020
Security Bulletin ID
SB2017040508
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) Improper Certificate Validation (CVE-ID: CVE-2015-4680)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
FreeRADIUS 2.2.x before 2.2.8 and 3.0.x before 3.0.9 does not properly check revocation of intermediate CA certificates.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00010.html
- http://packetstormsecurity.com/files/132415/FreeRADIUS-Insufficient-CRL-Application.html
- http://www.ocert.org/advisories/ocert-2015-008.html
- http://www.securityfocus.com/archive/1/535810/100/0/threaded
- http://www.securityfocus.com/bid/75327
- http://www.securitytracker.com/id/1032690
- https://bugzilla.redhat.com/show_bug.cgi?id=1234975