SB20170613102 - Denial of service in openvpn (Alpine package)
Published: June 13, 2017
Security Bulletin ID
SB20170613102
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2017-7478)
The vulnerability allows a remote authenticated attacker to cause DoS conditions on the target system.The weakness exists due to improper user-input validation. A remote attacker can send a specially crafted P_CONTROL packet and cause the OpenVPN server process to stop running due to an ASSERT() exception.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.