CVE-2018-17199
UnknownEPSS 19.99%
Last modified
CVE-2018-17199 is a vulnerability of currently unknown severity. In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.. EPSS estimates a 19.99% chance of exploitation in the next 30 days.
Description
In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.4.0, <= 2.4.37 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Netapp | Santricity Cloud Connector | All versions |
| Netapp | Storage Automation Store | All versions |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Oracle | Enterprise Manager Ops Center | 12.3.3 |
References
- http://www.securityfocus.com/bid/106742Third Party Advisory, VDB Entry
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00024.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/5Issue Tracking, Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201903-21Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190125-0001/Third Party Advisory
- https://usn.ubuntu.com/3937-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4422Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
- http://www.securityfocus.com/bid/106742Third Party Advisory, VDB Entry
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00024.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/5Issue Tracking, Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201903-21Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190125-0001/Third Party Advisory
- https://usn.ubuntu.com/3937-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4422Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-17199?
In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.
How severe is CVE-2018-17199?
Severity scoring for CVE-2018-17199 is pending analysis. The EPSS model estimates a 19.99% probability of exploitation in the next 30 days.
How do I fix CVE-2018-17199?
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-2018-17199?
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