Asterisk 18.23.0/20.8.0/21.3.0 SIP Request incorrect implementation of authentication algorithm

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Asterisk 18.23.0/20.8.0/21.3.0. This affects an unknown function of the component SIP Request Handler. Executing a manipulation can lead to incorrect implementation of authentication algorithm. This vulnerability is tracked as CVE-2024-35190. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Asterisk 18.23.0/20.8.0/21.3.0. This vulnerability affects an unknown functionality of the component SIP Request Handler. The manipulation with an unknown input leads to a incorrect implementation of authentication algorithm vulnerability. The CWE definition for the vulnerability is CWE-303. The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect. As an impact it is known to affect confidentiality. CVE summarizes:

Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1.

The advisory is available at github.com. This vulnerability was named CVE-2024-35190 since 05/10/2024. 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 18.23.1, 20.8.1 or 21.3.1 eliminates this vulnerability. Applying the patch 85241bd22936cc15760fd1f65d16c98be7aeaf6d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Incorrect implementation of authentication algorithm
CWE: CWE-303
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 18.23.1/20.8.1/21.3.1
Patch: 85241bd22936cc15760fd1f65d16c98be7aeaf6d

Timelineinfo

05/10/2024 🔍
05/17/2024 +7 days 🔍
05/17/2024 +0 days 🔍
08/27/2025 +466 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-qqxj-v78h-hrf9
Status: Confirmed

CVE: CVE-2024-35190 (🔍)
GCVE (CVE): GCVE-0-2024-35190
GCVE (VulDB): GCVE-100-265042

Entryinfo

Created: 05/17/2024 23:24
Updated: 08/27/2025 00:42
Changes: 05/17/2024 23:24 (66), 08/27/2025 00:42 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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