CVE Vulnerability

CVE-2021-33056

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/BelledonneCommunications/belle-sip/commit/116e3eb48fe43ea63eb9f3c4b4b30c48d58d6ff0 Patch Third Party Advisory
https://github.com/BelledonneCommunications/belle-sip/compare/4.5.15...4.5.20 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:linphone:belle-sip:*:*:*:*:*:*:*:*
Information

Published : 2021-08-12 09:15

Updated : 2021-08-23 03:26

NVD link : CVE-2021-33056

Mitre link : CVE-2021-33056

Products Affected
No products.
CWE
CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')