CVE-2021-43611 Explained : Impact and Mitigation

Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via '' in the display name of a From header.

Understanding CVE-2021-43611

Belledonne Belle-sip vulnerability impacting applications.

What is CVE-2021-43611?

Belledonne Belle-sip before version 5.0.20 has a vulnerability that can lead to application crashes, particularly affecting Linphone, due to the presence of '' in the display name of a From header.

The Impact of CVE-2021-43611

The vulnerability can cause affected applications, like Linphone, to crash.

Technical Details of CVE-2021-43611

Details of the technical aspects of the vulnerability.

Vulnerability Description

The presence of '' in the display name of a From header in Belledonne Belle-sip before 5.0.20 can trigger crashes in applications like Linphone.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Affected Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting '' in the display name of a From header.

Mitigation and Prevention

Measures to mitigate the impact of CVE-2021-43611.

Immediate Steps to Take

Update to version 5.0.20 of Belledonne Belle-sip.
Avoid inserting '' in the display name of a From header.

Long-Term Security Practices

Regularly check for software updates and patches.
Stay informed about security advisories regarding Belledonne Belle-sip.

Patching and Updates

Apply the recommended patches and updates to ensure the security of applications using Belledonne Belle-sip.