SB2020022018 - Multiple vulnerabilities in CoTURN

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2020-6061)

The vulnerability allows a remote attacker to cause information leaks and other misbehavior.

The vulnerability exists due to a boundary error when web server parses POST requests. A remote attacker can send a specially crafted HTTPS request, trigger heap-based buffer overflow and cause information leaks and other misbehavior.

2) NULL pointer dereference (CVE-ID: CVE-2020-6062)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when web server parses POST requests. A remote attacker can send a specially crafted HTTP request and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2020-0984
• https://github.com/coturn/coturn/blob/master/ChangeLog
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-0985