| Risk |
Local |
| Remote |
| Medium |
No |
| Yes |
##############################################################
- S21Sec Advisory -
##############################################################
Title: Ekiga Denial of Service
ID: S21SEC-036-en
Severity: Medium - Remote DoS
History: 14.May.2007 Vulnerability discovered
09.Jul.2007 Vendor contacted
Scope: Application Denial of Service
Platforms: Any
Author: Jose Miguel Esparza (jesparza@s21sec.com)
URL: http://www.s21sec.com/avisos/s21sec-036-en.txt
Release: Public
[ SUMMARY ]
Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for
GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is
interoperable with other SIP compliant software and also with Microsoft NetMeeting.
[ AFFECTED VERSIONS ]
Following versions are affected with this issue:
- Ekiga 2.0.7 and prior.
[ DESCRIPTION ]
Due to a bad management of memory allocation for the input data it's possible to crash the application
causing a denial of service.
[ WORKAROUND ]
Upgrade to 2.0.9 version is recommended to resolve this problem. If not possible, some
additional input data check will be necessary in the SIPURL::GetHostAddress() function.
[ ACKNOWLEDGMENTS ]
This vulnerability have been found and researched by:
- Jose Miguel Esparza <jesparza@s21sec.com> S21Sec
[ ADDITIONAL INFORMATION ]
This vulnerability has been discovered thanks to the network fuzzer Malybuzz available in the url
http://malybuzz.sourceforge.net/.
[ REFERENCES ]
* Ekiga
http://ekiga.org
* S21Sec
http://www.s21sec.com
* Malybuzz
http://malybuzz.sourceforge.net/
[ ASCII VERSION ]
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