An XML external entity (XXE) vulnerability in Avaya WebLM admin interface allows authenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request. Affected versions of Avaya WebLM include: 7.0 through 7.1.3.6 and 8.0 through 8.1.2.
Weakness
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Aura_system_manager | Avaya | 7.0 (including) | 7.1.3.6 (including) |
| Aura_system_manager | Avaya | 8.0 (including) | 8.1.2 (including) |
| Weblm | Avaya | 7.0 (including) | 7.1.3.6 (including) |
| Weblm | Avaya | 8.0.0 (including) | 8.1.3 (excluding) |
Potential Mitigations
Related Attack Patterns
References
- http://packetstormsecurity.com/files/160123/Avaya-Web-License-Manager-XML-Injection.html
- http://seclists.org/fulldisclosure/2020/Nov/31
- https://downloads.avaya.com/css/P8/documents/101072249
- https://sec-consult.com/vulnerability-lab/advisory/blind-out-of-band-xml-external-entity-injection-in-avaya-web-license-manager/
- http://packetstormsecurity.com/files/160123/Avaya-Web-License-Manager-XML-Injection.html
- http://seclists.org/fulldisclosure/2020/Nov/31
- https://downloads.avaya.com/css/P8/documents/101072249
- https://sec-consult.com/vulnerability-lab/advisory/blind-out-of-band-xml-external-entity-injection-in-avaya-web-license-manager/