CVE-2019-25043
First published: Thu May 06 2021(Updated: )
ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process crash for a "Cookie: =abc" header.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trustwave ModSecurity | >=3.0.0<3.0.4 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-25043?
CVE-2019-25043 is a vulnerability in ModSecurity 3.x before version 3.0.4 that mishandles key-value pair parsing, leading to a crash.
How does CVE-2019-25043 impact ModSecurity?
CVE-2019-25043 can cause a crash in ModSecurity worker processes when handling a specific "Cookie: =abc" header.
What is the severity of CVE-2019-25043?
CVE-2019-25043 has a severity rating of 5.3 (medium).
How can I fix CVE-2019-25043?
To fix CVE-2019-25043, upgrade ModSecurity to version 3.0.4 or later.
Where can I find more information about CVE-2019-25043?
More information about CVE-2019-25043 can be found at the following link: [CVE-2019-25043](https://github.com/SpiderLabs/ModSecurity/issues/2566).
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