The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-7294 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Access Vector | Network |
Access Complexity | Medium |
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).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | libreswan | Not affected |
Red Hat Enterprise Linux 6 | openswan | Not affected |
Red Hat Enterprise Linux 5 | openswan | Not affected |