CVE-2016-3698
What it is
libndp before 1.6, as used in NetworkManager, does not properly validate the origin of Neighbor Discovery Protocol (NDP) messages, which allows remote attackers to conduct man-in-the-middle attacks or cause a denial of service (network connectivity disruption) by advertising a node as a router from a non-local network.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 3.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.8% in the next 30 days (EPSS).
- Severity: 8.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.8% · EPSS, next 30 days
- Weakness
- CWE-284 · Improper access control
- Record status
- Modified
Affected
- Redhat Enterprise Linux Desktop 7.0
- Redhat Enterprise Linux Hpc Node 7.0
- Redhat Enterprise Linux Hpc Node Eus 7.2
- Redhat Enterprise Linux Server 7.0
- Redhat Enterprise Linux Server Aus 7.2
- Redhat Enterprise Linux Server Eus 7.2
- Redhat Enterprise Linux Workstation 7.0
- Libndp ≤ 1.5
Attack profile CVSS 3.0 · 8.1
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-3698.md and follow it. Check whether this project is affected by CVE-2016-3698. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/jpirko/libndp/commit/2af9a55b38b55abbf05fd116ec097d4029115839
- https://github.com/jpirko/libndp/commit/a4892df306e0532487f1634ba6d4c6d4bb381c7f
- https://github.com/jpirko/libndp/commit/2af9a55b38b55abbf05fd116ec097d4029115839
- https://github.com/jpirko/libndp/commit/a4892df306e0532487f1634ba6d4c6d4bb381c7f
References
- http://www.debian.org/security/2016/dsa-3581
- http://www.openwall.com/lists/oss-security/2016/05/17/9
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.ubuntu.com/usn/USN-2980-1
- https://github.com/jpirko/libndp/commit/2af9a55b38b55abbf05fd116ec097d4029115839
- https://github.com/jpirko/libndp/commit/a4892df306e0532487f1634ba6d4c6d4bb381c7f
- https://rhn.redhat.com/errata/RHSA-2016-1086.html
- http://www.debian.org/security/2016/dsa-3581
- http://www.openwall.com/lists/oss-security/2016/05/17/9
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.ubuntu.com/usn/USN-2980-1
- https://github.com/jpirko/libndp/commit/2af9a55b38b55abbf05fd116ec097d4029115839
- https://github.com/jpirko/libndp/commit/a4892df306e0532487f1634ba6d4c6d4bb381c7f
- https://rhn.redhat.com/errata/RHSA-2016-1086.html