Digium Asterisk up to 13.21-cert3/13.27.0/15.7.2/16.4.0 res_pjsip_messaging SIP Message memory corruption

Summaryinfo

A vulnerability classified as critical was found in Digium Asterisk up to 13.21-cert3/13.27.0/15.7.2/16.4.0. Impacted is the function res_pjsip_messaging. The manipulation as part of SIP Message results in memory corruption. This vulnerability is reported as CVE-2019-12827. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Digium Asterisk up to 13.21-cert3/13.27.0/15.7.2/16.4.0 (Communications System). Affected is the function res_pjsip_messaging. The manipulation as part of a SIP Message leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.

The weakness was disclosed 07/12/2019 (Website). The advisory is available at downloads.digium.com. This vulnerability is traded as CVE-2019-12827 since 06/14/2019. It is possible to launch the attack remotely. The successful exploitation requires a authentication. Technical details are known, but there is no available exploit.

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

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

Productinfo

Type

• Communications System

Vendor

• Digium

Name

• Asterisk

Version

• 13.0
• 13.1
• 13.2
• 13.3
• 13.4
• 13.5
• 13.6
• 13.7
• 13.8
• 13.9
• 13.10
• 13.11
• 13.12
• 13.13
• 13.14
• 13.15
• 13.16
• 13.17
• 13.18
• 13.19
• 13.20
• 13.21
• 13.21-cert3
• 13.22
• 13.23
• 13.24
• 13.25
• 13.26
• 13.27.0
• 15.7.0
• 15.7.1
• 15.7.2
• 16.0
• 16.1
• 16.2
• 16.3
• 16.4.0

License

• open-source

Website

• Vendor: https://www.digium.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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