What’s Vulnerable › Vulnerabilities

CVE-2016-3698

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-06-13 · updated 2026-06-17
• Weakness: CWE-284

Description

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.

Affected products

• Canonical Ubuntu Linux: 15.10, 16.04
• Debian Linux: 8.0
• Libndp: through 1.5
• 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

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

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