Bug 229262 - CVE-2007-0999 Ekiga format string flaw (CVE-2007-1006)
CVE-2007-0999 Ekiga format string flaw (CVE-2007-1006)
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: ekiga (Show other bugs)
All Linux
medium Severity urgent
: ---
: ---
Assigned To: Daniel Veillard
: Security
Depends On:
  Show dependency treegraph
Reported: 2007-02-19 15:13 EST by Josh Bressers
Modified: 2007-11-30 17:07 EST (History)
0 users

See Also:
Fixed In Version: RHSA-2007-0087
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-03-14 10:59:36 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

  None (edit)
Description Josh Bressers 2007-02-19 15:13:04 EST
+++ This bug was initially created as a clone of Bug #229259 +++

A format string flaw was found in the way Ekiga processes certain messages form
remote clients.  This flaw could allow a remote attacker to execute arbitrary
code as the user running Ekiga.

This flaw also affects FC5

-- Additional comment from bressers@redhat.com on 2007-02-19 15:01 EST --
Created an attachment (id=148361)
Upstream patch extracted from SVN
Comment 4 Søren Sandmann Pedersen 2007-02-28 19:20:33 EST
They are building now, task  


I wasn't sure whether these would go into -qu-candiate or -candiate, so I took a
Comment 6 Mark J. Cox (Product Security) 2007-03-05 11:34:00 EST
failed qa as there is a double vsnprintf which strips the first %s.  Looks like
a bug.  Possible fix: 

--- main.cpp.orig       2007-03-05 11:31:49.000000000 -0500
+++ main.cpp    2007-03-05 11:33:02.000000000 -0500
@@ -4233,8 +4233,6 @@
   GmWindow *mw = NULL;
-  char buffer [1025];
   g_return_if_fail (main_window != NULL);
   mw = gm_mw_get_mw (main_window);
@@ -4242,8 +4240,7 @@
   va_list args;
   va_start (args, msg);
-  vsnprintf (buffer, 1024, msg, args);
-  gm_statusbar_flash_message (GM_STATUSBAR (mw->statusbar), buffer);
+  gm_statusbar_flash_message (GM_STATUSBAR (mw->statusbar), msg, args);
   va_end (args);
Comment 7 Søren Sandmann Pedersen 2007-03-05 15:00:27 EST
New packages that will hopefully fix - see ekiga-2_0_2-7_0_1
Comment 8 Mark J. Cox (Product Security) 2007-03-07 04:35:46 EST
Failed qa due to a double vsnprintf which opened up the format string flaws; so
CVE-2007-0999 for the new format string flaws.

Comment 12 Red Hat Bugzilla 2007-03-14 10:59:36 EDT
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.


Note You need to log in before you can comment on or make changes to this bug.