CVEvulnerability
CVE-2015-2923
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-02-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:A/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20
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.
Affected configurations
• freebsd freebsd (< 10.1)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://openwall.com/lists/oss-security/2015/04/04/2 Mailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fd99094de2b83d1d4c8457f2c83483b2828e75a Patch, Third Party Advisory
- https://lists.freebsd.org/pipermail/freebsd-net/2015-April/041934.html Mailing List, Vendor Advisory
- https://www.freebsd.org/security/advisories/FreeBSD-SA-15:09.ipv6.asc Mitigation, Vendor Advisory
- http://openwall.com/lists/oss-security/2015/04/04/2 Mailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fd99094de2b83d1d4c8457f2c83483b2828e75a Patch, Third Party Advisory
- https://lists.freebsd.org/pipermail/freebsd-net/2015-April/041934.html Mailing List, Vendor Advisory
- https://www.freebsd.org/security/advisories/FreeBSD-SA-15:09.ipv6.asc Mitigation, Vendor Advisory