CVE-2019-16215
Last modified
CVE-2019-16215 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zulip | Zulip Server | < 2.0.5 |
References
- https://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51Patch, Third Party Advisory
- https://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
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