PT-2022-17902 · Asterisk · Asterisk

Ben Ford · Published 2022-04-15 · Updated 2023-05-04 · CVE-2022-26498

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Asterisk versions prior to 16.25.2 Asterisk versions prior to 18.11.2 Asterisk versions prior to 19.3.2

Description An issue was discovered in Asterisk when using STIR/SHAKEN, allowing the download of files that are not certificates. These files could be much larger than expected, leading to Resource Exhaustion.

Recommendations For versions prior to 16.25.2, update to version 16.25.2 or later to resolve the issue. For versions prior to 18.11.2, update to version 18.11.2 or later to resolve the issue. For versions prior to 19.3.2, update to version 19.3.2 or later to resolve the issue.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2022-26498

DLA-3194-1

DSA-5285-1

Affected Products

Asterisk

References · 23

• https://downloads.asterisk.org/pub/security/AST-2022-001.html · Vendor Advisory
• https://downloads.asterisk.org/pub/security · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-26498 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2022-26498 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-26498 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-26498 · Vendor Advisory
• http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html · Patch
• https://osv.dev/vulnerability/DSA-5285-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-26498 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3194-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-26498 · Vendor Advisory
• https://debian.org/security/2022/dsa-5285 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-26498 · Security Note
• https://ubuntu.com/security/CVE-2022-26498 · Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html · Note