libcurl-security.3: the http://192.168.0.1/my_router_config case

Mentioned-By: Rich Moore

diff --git a/docs/libcurl/libcurl-security.3 b/docs/libcurl/libcurl-security.3
index 3334d581ce64209439167a9270a98b400c345e61..185fb6b0889910ce3d007ca2d7b8ba4d615cb933 100644 (file)
--- a/docs/libcurl/libcurl-security.3
+++ b/docs/libcurl/libcurl-security.3
@@ -151,6 +151,11 @@ address and port number for a server local to the app running libcurl but
 behind a firewall.  Applications can mitigate against this by using the
 \fICURLOPT_FTP_SKIP_PASV_IP(3)\fP option or \fICURLOPT_FTPPORT(3)\fP.
 
+Local servers sometimes assume local access comes from friends and trusted
+users. An application that expects http://example.com/file_to_read that and
+instead gets http://192.168.0.1/my_router_config might print a file that would
+otherwise be protected by the firewall.
+
 Allowing your application to connect to local hosts, be it the same machine
 that runs the application or a machine on the same local network, might be
 possible to exploit by an attacker who then perhaps can "port-scan" the
@@ -303,7 +308,7 @@ enabled by applications that fail to properly validate server TLS/SSL
 certificates, thus enabling a malicious server to spoof a legitimate
 one. HTTPS without validated certificates is potentially as insecure as a
 plain HTTP connection.
-.SH "Resport Security Problems"
+.SH "Report Security Problems"
 Should you detect or just suspect a security problem in libcurl or curl,
 contact the project curl security team immediately. See the separate
 SECURITY.md document for details.