VDB-291646 · CVE-2025-0430 · icsa-25-014-04

Belledonne Communications Linphone-Desktop 5.2.6 null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Belledonne Communications Linphone-Desktop 5.2.6. This vulnerability affects unknown code. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2025-0430. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Belledonne Communications Linphone-Desktop 5.2.6. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

Belledonne Communications Linphone-Desktop is vulnerable to a NULL Dereference vulnerability, which could allow a remote attacker to create a denial-of-service condition.

The advisory is available at cisa.gov. This vulnerability was named CVE-2025-0430. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 5.3.99 eliminates this vulnerability.

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Productinfo

Vendor

Belledonne Communications

Name

Linphone-Desktop

Version

5.2.6

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Linphone-Desktop 5.3.99

Timelineinfo

01/14/2025 🔍
01/14/2025 +0 days 🔍
01/18/2025 +4 days 🔍

Sourcesinfo

Advisory: icsa-25-014-04
Status: Confirmed

CVE: CVE-2025-0430 (🔍)
GCVE (CVE): GCVE-0-2025-0430
GCVE (VulDB): GCVE-100-291646

Entryinfo

Created: 01/14/2025 18:40
Updated: 01/18/2025 05:45
Changes: 01/14/2025 18:40 (52), 01/18/2025 05:45 (23)
Complete: 🔍
Cache ID: 216::103