CVE-2022-0217 Detail
This vulnerability is currently undergoing analysis and not all information is available. Please check back soon to view the completed vulnerability summary.
Description
It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML features allowed in parsed XML data. Given suitable attacker input, this results in expansion of recursive entity references from DTDs (CWE-776). In addition, depending on the libexpat version used, it may also allow injections using XML External Entity References (CWE-611).
Severity
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-776 | Improper Restriction of Recursive Entity References in DTDs (‘XML Entity Expansion’) | Red Hat, Inc. |
| CWE-20 | Improper Input Validation | Red Hat, Inc. |
Change History
0 change records found show changes
Quick Info
CVE Dictionary Entry:
CVE-2022-0217
NVD Published Date:
08/26/2022
NVD Last Modified:
08/26/2022
Source:
Red Hat, Inc.