CVE-2019-10097
HIGHCVSS 7.2/10EPSS 52.87%
Last modified
CVE-2019-10097 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. In Apache HTTP Server 2.4.32-2.4.39, when mod_remoteip was configured to use a trusted intermediary proxy server using the "PROXY" protocol, a specially crafted PROXY header could trigger a stack buffer overflow or NULL pointer deference. This vulnerability could only be triggered by a trusted proxy and not by untrusted HTTP clients.. EPSS estimates a 52.87% chance of exploitation in the next 30 days.
Description
In Apache HTTP Server 2.4.32-2.4.39, when mod_remoteip was configured to use a trusted intermediary proxy server using the "PROXY" protocol, a specially crafted PROXY header could trigger a stack buffer overflow or NULL pointer deference. This vulnerability could only be triggered by a trusted proxy and not by untrusted HTTP clients.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 2.4.33 |
| Apache | Http Server | 2.4.34 |
| Apache | Http Server | 2.4.35 |
| Apache | Http Server | 2.4.37 |
| Apache | Http Server | 2.4.38 |
| Oracle | Communications Element Manager | 8.0.0 |
| Oracle | Communications Element Manager | 8.1.0 |
| Oracle | Communications Element Manager | 8.1.1 |
| Oracle | Communications Element Manager | 8.2.0 |
| Oracle | Communications Session Report Manager | 8.1.1 |
| Oracle | Communications Session Report Manager | 8.2.0 |
| Oracle | Communications Session Report Manager | 8.2.1 |
| Oracle | Communications Session Route Manager | 8.1.1 |
| Oracle | Communications Session Route Manager | 8.2.0 |
| Oracle | Communications Session Route Manager | 8.2.1 |
| Oracle | Enterprise Manager Ops Center | 12.3.3 |
| Oracle | Enterprise Manager Ops Center | 12.4.0 |
| Oracle | Http Server | 12.2.1.4.0 |
| Oracle | Instantis Enterprisetrack | >= 17.1, <= 17.3 |
| Oracle | Retail Xstore Point Of Service | 7.1 |
References
- https://access.redhat.com/errata/RHSA-2019:4126Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4126Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-10097?
In Apache HTTP Server 2.4.32-2.4.39, when mod_remoteip was configured to use a trusted intermediary proxy server using the "PROXY" protocol, a specially crafted PROXY header could trigger a stack buffer overflow or NULL pointer deference. This vulnerability could only be triggered by a trusted proxy and not by untrusted HTTP clients.
How severe is CVE-2019-10097?
CVE-2019-10097 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 52.87% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10097?
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.
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Are you affected by CVE-2019-10097?
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