An error handling synthesized records could cause an assertion failure when using DNS64 with "break-dnssec yes;"
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ISC | BIND 9 | affected |
|
Configuration 1 [-]
|
Configuration 2 [-]
|
Configuration 3 [-]
|
Configuration 4 [-]
|
| Package | CPE | Advisory | Released Date |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | |||
| bind-32:9.8.2-0.62.rc1.el6_9.1 | cpe:/o:redhat:enterprise_linux:6 | RHSA-2017:1105 | 2017-04-20T00:00:00Z |
| Red Hat Enterprise Linux 7 | |||
| bind-32:9.9.4-38.el7_3.3 | cpe:/o:redhat:enterprise_linux:7 | RHSA-2017:1095 | 2017-04-19T00:00:00Z |
No data available yet.
Vendor Solution
Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads. BIND 9 version 9.9.9-P8 BIND 9 version 9.10.4-P8 BIND 9 version 9.11.0-P5 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9 version 9.9.9-S10 New maintenance releases of BIND are also scheduled which contain the fix for this vulnerability. In addition to the security releases listed above, fixes for this vulnerability are also included in these release candidate versions: BIND 9 version 9.9.10rc3 BIND 9 version 9.10.5rc3 BIND 9 version 9.11.1rc3
Vendor Workaround
Servers which have configurations which require DNS64 and "break-dnssec yes;" should upgrade. Servers which are not using these features in conjunction are not at risk from this defect.
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-957-1 | bind9 security update |
Debian DSA |
DSA-3854-1 | bind9 security update |
Ubuntu USN |
USN-3259-1 | Bind vulnerabilities |
No CVSS v4.0
No CVSS v3.1
This CVE is not in the KEV list.
Exploit prediction score: 11.1% (11.093% probability within 30 days)
Key SSVC decision points have not yet been added.
No history.