CVE-2011-1652 — MEDIUM (5.0)

Vulnerability Description

The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement (RA), and does not provide an option to ignore an unexpected RA, which allows remote attackers to conduct man-in-the-middle attacks on communication with external IPv4 servers via vectors involving RAs, a DHCPv6 server, and NAT-PT on the local network, aka a "SLAAC Attack." NOTE: it can be argued that preferring IPv6 complies with RFC 3484, and that attempting to determine the legitimacy of an RA is currently outside the scope of recommended behavior of host operating systems

CVSS Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality

NONE

Integrity

PARTIAL

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Windows 7	All versions

Related Weaknesses (CWE)

CWE-16

References

FAQ

What is CVE-2011-1652?

CVE-2011-1652 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement (RA), and ...

How severe is CVE-2011-1652?

CVE-2011-1652 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2011-1652?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 7.