User controlled `request.getHeader("Referer")`, `request.getRequestURL()` and `request.getQueryString()` are used to build and run a regex expression. The attacker doesn't have to use a browser and may send a specially crafted Referer header programmatically. Since the attacker controls the string and the regex pattern he may cause a ReDoS by regex catastrophic backtracking on the server side. This problem has been fixed in Roller 6.0.2.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2021/08/18/1 | Mailing List Third Party Advisory |
https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E | Mailing List Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: apache
Published: 2021-08-18T07:50:10
Updated: 2021-08-18T08:06:23
Reserved: 2021-05-26T00:00:00
Link: CVE-2021-33580
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-08-18T08:15:06.173
Modified: 2021-08-26T01:25:41.707
Link: CVE-2021-33580
JSON object: View
Redhat Information
No data.
CWE