CVE-2021-33056 Information

Description

Belledonne Belle-sip before 4.5.20 as used in Linphone and other products can crash via an invalid From header in a SIP message.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/BelledonneCommunications/belle-sip/commit/116e3eb48fe43ea63eb9f3c4b4b30c48d58d6ff0 https://github.com/BelledonneCommunications/belle-sip/compare/4.5.15…4.5.20

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5