CVE-2008-4551: Null Pointer Dereference

Published Oct 14, 2008
·
Updated

strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKESAINIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpzexport function in the GNU Multiprecision Library (GMP).

Affected Software

61 affected components
strongSwan Strongswan=2.4.3
strongSwan Strongswan=2.5.7
strongSwan Strongswan=2.4.2
strongSwan Strongswan=4.1.8
strongSwan Strongswan=4.1.11
strongSwan Strongswan=2.2.2
strongSwan Strongswan=2.5.3
strongSwan Strongswan=2.6.0
strongSwan Strongswan=2.3.0
strongSwan Strongswan=4.1.1
strongSwan Strongswan=2.1.0
strongSwan Strongswan=2.1.5
strongSwan Strongswan=2.0.2
strongSwan Strongswan=4.1.10
strongSwan Strongswan=4.1.4
strongSwan Strongswan=4.0.6
strongSwan Strongswan=2.5.1
strongSwan Strongswan=2.3.1
strongSwan Strongswan=2.6.2
strongSwan Strongswan=2.2.1
strongSwan Strongswan=2.4.0
strongSwan Strongswan=4.0.7
strongSwan Strongswan=2.5.5
strongSwan Strongswan=2.2.0
strongSwan Strongswan=4.2.3
strongSwan Strongswan=2.0.1
strongSwan Strongswan=4.2.5
strongSwan Strongswan=2.1.1
strongSwan Strongswan<=4.2.6
strongSwan Strongswan=4.2.0
strongSwan Strongswan=2.6.1
strongSwan Strongswan=4.2.1
strongSwan Strongswan=4.1.7
strongSwan Strongswan=4.1.6
strongSwan Strongswan=2.7.0
strongSwan Strongswan=4.1.5
strongSwan Strongswan=2.4.1
strongSwan Strongswan=4.0.1
strongSwan Strongswan=4.0.3
strongSwan Strongswan=4.0.4
strongSwan Strongswan=2.0.0
strongSwan Strongswan=2.5.2
strongSwan Strongswan=2.1.3
strongSwan Strongswan=4.2.4
strongSwan Strongswan=2.1.2
strongSwan Strongswan=2.6.4
strongSwan Strongswan=2.5.0
strongSwan Strongswan=2.5.6
strongSwan Strongswan=2.5.4
strongSwan Strongswan=4.1.2
strongSwan Strongswan=4.0.0
strongSwan Strongswan=2.4.0a
strongSwan Strongswan=4.1.9
strongSwan Strongswan=2.3.2
strongSwan Strongswan=4.2.2
strongSwan Strongswan=4.0.5
strongSwan Strongswan=2.1.4
strongSwan Strongswan=4.1.0
strongSwan Strongswan=4.1.3
strongSwan Strongswan=2.6.3
strongSwan Strongswan=4.0.2

Event History

Oct 14, 2008
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2008-4551?

CVE-2008-4551 has a severity rating of medium, as it can lead to denial of service conditions.

2

What versions of strongSwan are affected by CVE-2008-4551?

CVE-2008-4551 affects strongSwan versions 4.2.6 and earlier.

3

How do I fix CVE-2008-4551?

To fix CVE-2008-4551, upgrade your strongSwan installation to a version later than 4.2.6.

4

What is the impact of CVE-2008-4551?

The impact of CVE-2008-4551 is a potential crash of the strongSwan daemon, causing service disruption.

5

Is there a workaround for CVE-2008-4551?

Currently, there is no specific workaround for CVE-2008-4551 other than applying the relevant updates.

Company

Resources

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