The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing of future messages.
References
Link | Resource |
---|---|
https://blog.zulip.org/2019/09/11/zulip-server-2-0-5-security-release/ | Vendor Advisory |
https://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51 | Patch Third Party Advisory |
Configurations
History
08 Feb 2024, 20:28
Type | Values Removed | Values Added |
---|---|---|
CWE | CWE-1333 |
Information
Published : 2019-09-18 12:15
Updated : 2024-02-28 17:08
NVD link : CVE-2019-16215
Mitre link : CVE-2019-16215
CVE.ORG link : CVE-2019-16215
JSON object : View
Products Affected
zulip
- zulip_server
CWE
CWE-1333
Inefficient Regular Expression Complexity