Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-2923

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.

Published

2020-02-20T04:15:10.883

Last Modified

2024-11-21T02:28:19.307

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

6.5

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	freebsd	freebsd	< 10.1	Yes

References

http://openwall.com/lists/oss-security/2015/04/04/2 Mailing List, Third Party Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fd99094de2b83d1d4c8457f2c83483b2828e75a Patch, Third Party Advisory ([email protected])
https://lists.freebsd.org/pipermail/freebsd-net/2015-April/041934.html Mailing List, Vendor Advisory ([email protected])
https://www.freebsd.org/security/advisories/FreeBSD-SA-15:09.ipv6.asc Mitigation, Vendor Advisory ([email protected])
http://openwall.com/lists/oss-security/2015/04/04/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fd99094de2b83d1d4c8457f2c83483b2828e75a Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.freebsd.org/pipermail/freebsd-net/2015-April/041934.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.freebsd.org/security/advisories/FreeBSD-SA-15:09.ipv6.asc Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)