CVE-2022-26498 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://downloads.asterisk.org/pub/security/ https://downloads.asterisk.org/pub/security/AST-2022-001.html http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5