CVE-2007-4291: High severity Cisco IOS vulnerability

Published Aug 9, 2007
·
Updated

Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.

Affected Software

5 affected components
Cisco IOS=12.0
Cisco IOS=12.1
Cisco IOS=12.2
Cisco IOS=12.3
Cisco IOS=12.4

Event History

Aug 9, 2007
CVE Published
09:17 PM
Aug 10, 2007
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2007-4291?

CVE-2007-4291 has been classified as a high severity vulnerability due to its potential to cause denial of service.

2

How do I fix CVE-2007-4291?

To mitigate CVE-2007-4291, it is recommended to update Cisco IOS to a version that is not affected by this vulnerability.

3

What are the symptoms of CVE-2007-4291 exploitation?

Exploitation of CVE-2007-4291 can lead to device hangs or crashes when processing malformed MGCP or H.323 packets.

4

Which versions of Cisco IOS are affected by CVE-2007-4291?

CVE-2007-4291 affects Cisco IOS versions 12.0 through 12.4.

5

Who should be concerned about CVE-2007-4291?

Network administrators using affected versions of Cisco IOS should be particularly concerned about CVE-2007-4291 due to its impact on device stability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203