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From d401ccaedaec09ad6900ec24ecaf205bed3e3ac1 Mon Sep 17 00:00:00 2001
From: Kai Blin <kai@samba.org>
Date: Thu, 7 Jul 2011 10:03:33 +0200
Subject: [PATCH] s3 swat: Fix possible XSS attack (bug #8289)
Nobuhiro Tsuji of NTT DATA SECURITY CORPORATION reported a possible XSS attack
against SWAT, the Samba Web Administration Tool. The attack uses reflection to
insert arbitrary content into the "change password" page.
This patch fixes the reflection issue by not printing user-specified content on
the website anymore.
Signed-off-by: Kai Blin <kai@samba.org>
CVE-2011-2694.
---
source/web/swat.c | 14 ++------------
1 files changed, 2 insertions(+), 12 deletions(-)
diff --git a/source/web/swat.c b/source/web/swat.c
index 9c7294a..434b1ac 100644
--- a/source/web/swat.c
+++ b/source/web/swat.c
@@ -1120,11 +1120,9 @@ static void chg_passwd(void)
if(cgi_variable(CHG_S_PASSWD_FLAG)) {
printf("<p>");
if (rslt == True) {
- printf(_(" The passwd for '%s' has been changed."), cgi_variable_nonull(SWAT_USER));
- printf("\n");
+ printf("%s\n", _(" The passwd has been changed."));
} else {
- printf(_(" The passwd for '%s' has NOT been changed."), cgi_variable_nonull(SWAT_USER));
- printf("\n");
+ printf("%s\n", _(" The passwd has NOT been changed."));
}
}
@@ -1138,14 +1136,6 @@ static void passwd_page(void)
{
const char *new_name = cgi_user_name();
- /*
- * After the first time through here be nice. If the user
- * changed the User box text to another users name, remember it.
- */
- if (cgi_variable(SWAT_USER)) {
- new_name = cgi_variable_nonull(SWAT_USER);
- }
-
if (!new_name) new_name = "";
printf("<H2>%s</H2>\n", _("Server Password Management"));
--
1.7.1
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