CVE-2015-3204: Input Validation
First published: Wed Jul 01 2015(Updated: )
libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libreswan | =3.9 | |
| Libreswan | =3.10 | |
| Libreswan | =3.11 | |
| Libreswan | =3.12 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2015-3204?
CVE-2015-3204 has a high severity rating due to its potential to cause a denial of service by restarting the daemon.
How do I fix CVE-2015-3204?
To fix CVE-2015-3204, update Libreswan to a version later than 3.12.
Which versions of Libreswan are affected by CVE-2015-3204?
Versions 3.9 to 3.12 of Libreswan are affected by CVE-2015-3204.
What type of attack is related to CVE-2015-3204?
CVE-2015-3204 is associated with a denial of service attack that can be triggered by malformed IKEv1 packets.
Is there a workaround for CVE-2015-3204 if I cannot update?
There are no documented workarounds for CVE-2015-3204, so the best option is to upgrade to a secure version.
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- collector/mitre-cve
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- agent/last-modified-date
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- agent/software-canonical-lookup-request
- vendor/libreswan
- canonical/libreswan
- version/libreswan/3.9
- version/libreswan/3.10
- version/libreswan/3.11
- version/libreswan/3.12