Live Networks LIVE555 Vulnerability [CVE-2019-9215]
CVE Number – CVE-2019-9215
Live Networks LIVE555 parseAuthorizationHeader Function Malformed Headers Invalid Memory Access Vulnerability.
A vulnerability in the LIVE555 Real Time Streaming Protocol (RTSP) server library could allow an unauthenticated, remote attacker to compromise a targeted system completely.The vulnerability is due to invalid memory access by the parseAuthorizationHeader function of the affected software. An attacker could exploit the vulnerability by sending a malformed HTTP header to a targeted system. A successful exploit could cause a memory access error, which could result in complete system compromise.Live Networks confirmed the vulnerability and released software updates.
Analysis
- To exploit this vulnerability, the attacker must send a HTTP header that submits malicious input to the targeted system, making exploitation more difficult in environments that restrict network access from untrusted sources.
Safeguards
- Administrators are advised to apply the appropriate updates.Administrators are advised to allow only trusted users to have network access.Administrators are advised to run both firewall and antivirus applications to minimize the potential of inbound and outbound threats.Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.Administrators can help protect affected systems from external attacks by using a solid firewall strategy.Administrators are advised to monitor affected systems.
Vendor Announcements
- Live Networks released a changelog at the following link: 2019.02.27 Changelog
Fixed Software
- Live Networks released software updates at the following link: LIVE555 Media Server 0.96
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.