Vulnerability Description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD through 10.1 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | < 10.1 |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2015/04/04/2Mailing ListThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fPatchThird Party Advisory
- https://lists.freebsd.org/pipermail/freebsd-net/2015-April/041934.htmlMailing ListVendor Advisory
- https://www.freebsd.org/security/advisories/FreeBSD-SA-15:09.ipv6.ascMitigationVendor Advisory
- http://openwall.com/lists/oss-security/2015/04/04/2Mailing ListThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fPatchThird Party Advisory
- https://lists.freebsd.org/pipermail/freebsd-net/2015-April/041934.htmlMailing ListVendor Advisory
- https://www.freebsd.org/security/advisories/FreeBSD-SA-15:09.ipv6.ascMitigationVendor Advisory
FAQ
What is CVE-2015-2923?
CVE-2015-2923 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD through 10.1 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Adverti...
How severe is CVE-2015-2923?
CVE-2015-2923 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2923?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.