A denial of service flaw was found in the way BIND processed control channel commands. A remote attacker with access to the BIND control channel could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted command.
Find out more about CVE-2017-3138 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect bind as shipped with Red Hat Enterprise Linux 5, 6 and 7 as it does not contain the affected code.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | bind | Not affected |
| Red Hat Enterprise Linux 6 | bind | Not affected |
| Red Hat Enterprise Linux 5 | bind97 | Not affected |
| Red Hat Enterprise Linux 5 | bind | Not affected |
Vulmon