Sangoma Asterisk up to 13.37.x/16.14.x/17.8.x/18.0.x SIP Message res_pjsip_diversion.c denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability classified as problematic has been found in Sangoma Asterisk up to 13.37.x/16.14.x/17.8.x/18.0.x (Communications System). Affected is some unknown functionality of the file res_pjsip_diversion.c of the component SIP Message Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 01/29/2021. The advisory is shared for download at issues.asterisk.org. This vulnerability is traded as CVE-2020-35652. There are known technical details, but no exploit is available.

Upgrading to version 13.38.0, 16.15.0, 17.9.0 or 18.1.0 eliminates this vulnerability. The upgrade is hosted for download at downloads.asterisk.org.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: No
Remote: Partially

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 13.38.0/16.15.0/17.9.0/18.1.0

Timelineinfo

12/23/2020 🔍
01/29/2021 +37 days 🔍
01/29/2021 +0 days 🔍
02/21/2021 +23 days 🔍

Sourcesinfo

Advisory: issues.asterisk.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-35652 (🔍)

Entryinfo

Created: 01/29/2021 13:26
Updated: 02/21/2021 16:43
Changes: 01/29/2021 13:26 (41), 02/21/2021 16:36 (6), 02/21/2021 16:43 (18)
Complete: 🔍

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