SB2019120719 - Reachable Assertion in kea (Alpine package)
Published: December 7, 2019
Security Bulletin ID
SB2019120719
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reachable Assertion (CVE-ID: CVE-2019-6472)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
Remediation
Install update from vendor's website.