SB2021101310 - Multiple vulnerabilities in Eufy eufyCam 2

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2021-21940)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the pushMuxer processRtspInfo functionality. A remote attacker can send a specially crafted packet, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Use-after-free (CVE-ID: CVE-2021-21941)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the pushMuxer CreatePushThread functionality. A remote attacker can send a specially crafted packet and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Remediation

Install update from vendor's website.

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1369
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1370