blob: dc0a67a1b79e6984936a90d0af9ac1633f5ee738 [file] [log] [blame]
core: Disallow Methods' registration at run time (.htaccess), they may
be used only if registered at init time (httpd.conf).
Calling ap_method_register() in children processes is not the right scope
since it won't be shared for all requests.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1807655 13f79535-47bb-0310-9956-ffa450edef68
Fixes CVE-2017-9798: https://nvd.nist.gov/vuln/detail/CVE-2017-9798
Downloaded from upstream repo:
https://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/server/core.c?r1=1805223&r2=1807754&pathrev=1807754&view=patch
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
--- a/server/core.c 2017/08/16 16:50:29 1805223
+++ b/server/core.c 2017/09/08 13:13:11 1807754
@@ -2266,6 +2266,12 @@
/* method has not been registered yet, but resource restriction
* is always checked before method handling, so register it.
*/
+ if (cmd->pool == cmd->temp_pool) {
+ /* In .htaccess, we can't globally register new methods. */
+ return apr_psprintf(cmd->pool, "Could not register method '%s' "
+ "for %s from .htaccess configuration",
+ method, cmd->cmd->name);
+ }
methnum = ap_method_register(cmd->pool,
apr_pstrdup(cmd->pool, method));
}