CVE-2022-26499: SSRF

Published Apr 15, 2022
·
Updated

An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests (such as GET) to interfaces such as localhost by using the Identity header. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

Affected Software

16 affected componentsFixes available
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
debian/asterisk<1:18.11.2~dfsg+~cs6.10.40431413-1
1:18.11.2~dfsg+~cs6.10.40431413-1
debian/asterisk
1:22.10.1+dfsg+~cs6.17.60671434-1
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0
alpine/asterisk>=16.15.0<18.11.2-r0
18.11.2-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/asterisk to a version that resolves this vulnerability.

    Fixed in 1:22.10.1+dfsg+~cs6.17.60671434-1
  2. Upgrade

    Upgrade alpine/asterisk to a version that resolves this vulnerability.

    Fixed in 18.11.2-r0
  3. Upgrade

    Upgrade debian/asterisk to a version that resolves this vulnerability.

    Fixed in 1:18.11.2~dfsg+~cs6.10.40431413-1
  4. Upgrade

    Upgrade Asterisk to a version that resolves this vulnerability.

    Fixed in 16.25.2
  5. Upgrade

    Upgrade Asterisk to a version that resolves this vulnerability.

    Fixed in 18.11.2
  6. Upgrade

    Upgrade Asterisk to a version that resolves this vulnerability.

    Fixed in 19.3.2

Event History

Apr 15, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·05:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·05:15 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2022-26499?

CVE-2022-26499 is an SSRF (Server-Side Request Forgery) vulnerability in Asterisk through 19.x.

2

How does CVE-2022-26499 work?

CVE-2022-26499 allows an attacker to send arbitrary requests to interfaces such as localhost by using the Identity header when using STIR/SHAKEN in Asterisk.

3

What is the severity of CVE-2022-26499?

CVE-2022-26499 has a severity rating of critical with a CVSS score of 9.1.

4

Which versions of Asterisk are affected by CVE-2022-26499?

Asterisk versions up to 16.25.1, 18.11.2, and 19.3.1 are affected by CVE-2022-26499.

5

How can I fix CVE-2022-26499?

To fix CVE-2022-26499, update Asterisk to version 16.25.2, 18.11.2, or 19.3.2.

Company

Resources

Contact

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