CVE-2019-25043
MEDIUMCVSS 5.3/10EPSS 1.22%
Last modified
CVE-2019-25043 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Owasp | Modsecurity | >= 3.0.0, < 3.0.4 |
References
- https://github.com/SpiderLabs/ModSecurity/issues/2566Exploit, Third Party Advisory
- https://github.com/SpiderLabs/ModSecurity/issues/2566Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-25043?
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.
How severe is CVE-2019-25043?
CVE-2019-25043 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.
How do I fix CVE-2019-25043?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-25038Unbound before 1.9.5 allows an integer overflow in a size ca…9.8
- CVE-2019-25039Unbound before 1.9.5 allows an integer overflow in a size ca…9.8
- CVE-2019-2504Vulnerability in the Oracle VM VirtualBox component of Oracl…
- CVE-2019-25040Unbound before 1.9.5 allows an infinite loop via a compresse…7.5
- CVE-2019-25041Unbound before 1.9.5 allows an assertion failure via a compr…7.5
- CVE-2019-25042Unbound before 1.9.5 allows an out-of-bounds write via a com…9.8
- CVE-2019-25044The block subsystem in the Linux kernel before 5.2 has a use…7.8
- CVE-2019-25045An issue was discovered in the Linux kernel before 5.0.19. T…7.8
- CVE-2019-25046The Web Client in Cerberus FTP Server Enterprise before 10.0…6.1
- CVE-2019-25047Greenbone Security Assistant (GSA) before 8.0.2 and Greenbon…6.1
- CVE-2019-25048LibreSSL 2.9.1 through 3.2.1 has a heap-based buffer over-re…7.1
- CVE-2019-25049LibreSSL 2.9.1 through 3.2.1 has an out-of-bounds read in as…7.1
Are you affected by CVE-2019-25043?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
