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CVE-2022-26498

Good to know:

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Date: April 15, 2022

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.

Language: C

Severity Score

Related Resources (10)

https://downloads.asterisk.org/pub/security/AST-2022-001.html
https://downloads.asterisk.org/pub/security/
https://security.alpinelinux.org/vuln/CVE-2022-26498
https://security-tracker.debian.org/tracker/CVE-2022-26498
https://nvd.nist.gov/vuln/detail/CVE-2022-26498
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
https://www.debian.org/security/2022/dsa-5285
http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html
http://packetstormsecurity.com/files/172139/Shannon-Baseband-chatroom-SDP-Attribute-Memory-Corruption.html
https://www.mend.io/vulnerability-database/CVE-2022-26498

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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