CVE-2022-26498: High severity asterisk vulnerability

Published Apr 15, 2022
·
Updated

An issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it is possible to download files that are not certificates. These files could be much larger than what one would expect to download, leading to Resource Exhaustion. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

Affected Software

6 affected componentsFixes available
debian/asterisk<=1:16.2.1~dfsg-1+deb10u2
1:16.28.0~dfsg-0+deb10u41:16.28.0~dfsg-0+deb11u31:20.5.2~dfsg+~cs6.13.40431414-1
Digium Asterisk>=16.15.0<=16.25.1
Digium Asterisk>=18.0<18.11.2
Digium Asterisk>=19.0.0<=19.3.1
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Remediation

Patch Available

http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html

Patch Available

https://downloads.asterisk.org/pub/security/AST-2022-001.html

Event History

Apr 15, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2022-26498?

CVE-2022-26498 is a vulnerability discovered in Asterisk through version 19.x that allows the download of files that are not certificates, leading to resource exhaustion.

2

How does CVE-2022-26498 affect Asterisk?

CVE-2022-26498 affects Asterisk through version 19.x when using STIR/SHAKEN.

3

What is the severity of CVE-2022-26498?

The severity of CVE-2022-26498 is not specified in the provided information.

4

How can I fix CVE-2022-26498?

You can fix CVE-2022-26498 by updating to Asterisk version 16.25.2, 18.11.2, or 19.3.2.

5

Where can I find more information about CVE-2022-26498?

You can find more information about CVE-2022-26498 on the Asterisk and Debian security trackers.

Company

Resources

Contact

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