CVE-2018-17199 Security feature bypass in Apache HTTP Server

What is CVE-2018-17199?

CVE-2018-17199 is a high-severity vulnerability in Apache Http Server, published on 30 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-384

Which versions are affected by CVE-2018-17199?

It affects 6 products.

Products include Apache Http Server, Canonical Ubuntu Linux, Debian Debian Linux, Netapp Santricity Cloud Connector, Netapp Storage Automation Store, Oracle Enterprise Manager Ops Center.

How do I fix CVE-2018-17199?

Upgrade to a fixed version.

Is CVE-2018-17199 being exploited?

There is no known exploitation of CVE-2018-17199 in the wild and no public exploit code.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-17199, CLEANSTART-2026-ZG87448, DEBIAN-CVE-2018-17199, DLA-1647-1, GHSA-gxfm-3qhv-h52c, UBUNTU-CVE-2018-17199.