CVE-2018-1283 Other in Apache HTTP Server

What is CVE-2018-1283?

CVE-2018-1283 is a medium-severity vulnerability in Apache Http Server, published on 26 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Apache httpd 2.4.0 to 2.4.29, when mod_session is configured to forward its session data to CGI applications (SessionEnv on, not the default), a remote user may influence their content by using a "Session" header. This comes from the "HTTP_SESSION" variable name used by mod_session to forward its data to CGIs, since the prefix "HTTP_" is also used by the Apache HTTP Server to pass HTTP header fields, per CGI specifications.

Which versions are affected by CVE-2018-1283?

It affects 8 products.

Products include Apache Http Server, Canonical Ubuntu Linux, Debian Debian Linux, Netapp Clustered Data Ontap, Netapp Santricity Cloud Connector, Netapp Storage Automation Store and 2 more.

How do I fix CVE-2018-1283?

Upgrade to a fixed version.

Is CVE-2018-1283 being exploited?

There is no known exploitation of CVE-2018-1283 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-2018-1283, CLEANSTART-2026-LA57520, DEBIAN-CVE-2018-1283, GHSA-69h6-845f-grx4, UBUNTU-CVE-2018-1283.