CVE-2022-26498

high

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.

References

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

https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html

https://www.debian.org/security/2022/dsa-5285

Details

Source: MITRE

Published: 2022-04-15

Updated: 2023-01-27

Type: CWE-400

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH