Sangoma Asterisk up to 13.21-cert4/13.29.1/16.6.1/17.0.0 SIP Request channels/chan_sip.c improper authentication

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 (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Sangoma Asterisk up to 13.21-cert4/13.29.1/16.6.1/17.0.0. This vulnerability affects unknown code of the file channels/chan_sip.c of the component SIP Request Handler. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2019-18351. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Sangoma Asterisk up to 13.21-cert4/13.29.1/16.6.1/17.0.0 (Communications System). It has been rated as critical. Affected by this issue is an unknown code block of the file channels/chan_sip.c of the component SIP Request Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was released 03/05/2021 as AST-2019-006. The advisory is shared for download at downloads.asterisk.org. This vulnerability is handled as CVE-2019-18351. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/23/2019 🔍
03/05/2021 +499 days 🔍
03/05/2021 +0 days 🔍
03/28/2021 +23 days 🔍

Sourcesinfo

Advisory: AST-2019-006
Status: Not defined

CVE: CVE-2019-18351 (🔍)
GCVE (CVE): GCVE-0-2019-18351
GCVE (VulDB): GCVE-100-170756

Entryinfo

Created: 03/05/2021 10:54
Updated: 03/28/2021 15:11
Changes: 03/05/2021 10:54 (39), 03/07/2021 17:00 (2), 03/28/2021 15:11 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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