Vulnerability · Published Jul 18, 2022 · Assigned by apache
CVE-2022-35741Apache CloudStack SAML Single Sign-On XXE
Critical 9.8
In plain English
A critical-severity security flaw in Apache CloudStack from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.0% (higher than 95% of all known vulnerabilities).
Official description
Apache CloudStack version 4.5.0 and later has a SAML 2.0 authentication Service Provider plugin which is found to be vulnerable to XML external entity (XXE) injection. This plugin is not enabled by default and the attacker would require that this plugin be enabled to exploit the vulnerability. When the SAML 2.0 plugin is enabled in affected versions of Apache CloudStack could potentially allow the exploitation of XXE vulnerabilities. The SAML 2.0 messages constructed during the authentication flow in Apache CloudStack are XML-based and the XML data is parsed by various standard libraries that are now understood to be vulnerable to XXE injection attacks such as arbitrary file reading, possible denial of service, server-side request forgery (SSRF) on the CloudStack management server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache CloudStack | 4.5.0 – before Apache CloudStack* |
References
- https://lists.apache.org/thread/hwhxvtwp1d5dsm156bsf1cnyvtmrfv3f x_refsource_MISC
- [oss-security] 20220718 [ADVISORY] Apache CloudStack SAML Single Sign-On XXE (CVE-2022-35741) mailing-list, x_refsource_MLIST
- [oss-security] 20220720 Re: [ADVISORY] Apache CloudStack SAML Single Sign-On XXE (CVE-2022-35741) mailing-list, x_refsource_MLIST