Sangoma Asterisk/Certified Asterisk IAX2 Channel Driver denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Sangoma Asterisk and Certified Asterisk. This issue affects some unknown processing of the component IAX2 Channel Driver. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2021-32558. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Sangoma Asterisk and Certified Asterisk (Communications System) (version unknown) and classified as problematic. This vulnerability affects an unknown function of the component IAX2 Channel Driver. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was presented 07/31/2021 as AST-2021-008. The advisory is shared for download at downloads.asterisk.org. This vulnerability was named CVE-2021-32558. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

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

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 🔍

Timelineinfo

05/11/2021 🔍
07/31/2021 +81 days 🔍
07/31/2021 +0 days 🔍
08/06/2021 +6 days 🔍

Sourcesinfo

Advisory: AST-2021-008
Status: Confirmed

CVE: CVE-2021-32558 (🔍)
GCVE (CVE): GCVE-0-2021-32558
GCVE (VulDB): GCVE-100-179788

Entryinfo

Created: 07/31/2021 17:43
Updated: 08/06/2021 03:32
Changes: 07/31/2021 17:43 (38), 08/06/2021 03:32 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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