Input validation error in DHCP - CVE-2019-6470
Published: August 20, 2019
Vulnerability identifier: #VU20341
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-6470
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: ISC
Affected software:
DHCP
DHCP
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a double deletion issue of released addresses in the DHCPv6 code. A remote non-authenticated attacker can send specially crafted DHCP message to the affected system and perform denial of service attack.
How to mitigate CVE-2019-6470
Install updates from vendor's website.