CVE-2019-6473 A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
MediumCVSS 6.5
EPSS 1.2%
- Published
- Updated
- Exploit status
- No public exploit known
Description
An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/isc-kea(Debian:12) | < 1.7.5-1 | 1.7.5-1 |
| debian/isc-kea(Debian:13) | < 1.7.5-1 | 1.7.5-1 |
| debian/isc-kea(Debian:14) | < 1.7.5-1 | 1.7.5-1 |
| ics kea | >= 1.4.0, <= 1.5.0 | No fix listed |
| ics kea | = 1.6.0-beta1 | No fix listed |
| ics kea | = 1.6.0-beta2 | No fix listed |
| alpine/kea(Alpine:v3.11) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.12) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.13) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.14) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.15) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.16) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.17) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.18) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.19) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.20) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.21) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.22) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.23) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| alpine/kea(Alpine:v3.24) | >= 1.4.0, < 1.7.2-r0 | 1.7.2-r0 |
| isc Kea | = 1.4.0 to 1.5.0 | No fix listed |
| isc Kea | = 1.6.0-beta1 | No fix listed |
| isc Kea | = 1.6.0-beta2 | No fix listed |
References
- Debian Security Tracker CVE-2019-6473 vendor-advisory
- kb.isc.org vendor-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking