CVE-2015-3240

Impact:
Moderate
Public Date:
2015-08-25
CWE:
CWE-617
Bugzilla:
1232320: CVE-2015-3240 libreswan / openswan: denial of service via IKE daemon restart when receiving a bad DH gx value
A flaw was discovered in the way Libreswan's IKE daemon processed IKE KE payloads. A remote attacker could send specially crafted IKE payload with a KE payload of g^x=0 that, when processed, would lead to a denial of service (daemon crash).

Find out more about CVE-2015-3240 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (libreswan) RHSA-2015:1979 2015-11-04

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 openswan Will not fix
Red Hat Enterprise Linux 5 openswan Will not fix

Acknowledgements

This issue was discovered by Paul Wouters of Red Hat.

External References

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