Apache httpd mod_session Remote Content Influence Vulnerability

CVE-2018-1283 · LOW Severity

AV:N/AC:M/AU:S/C:N/I:P/A:N

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.

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