CVE-2016-2775
Published: 19 July 2016
ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.
Notes
| Author | Note |
|---|---|
| mdeslaur | only if lwres is configured (not the default) lwresd package is in universe |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
bind9 Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| cosmic |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| disco |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| eoan |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| focal |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| groovy |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| hirsute |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| impish |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| jammy |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| kinetic |
Not vulnerable
(1:9.11.2.P1-1ubuntu3)
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Released
(1:9.9.5.dfsg-3ubuntu0.19+esm9)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Released
(1:9.10.3.dfsg.P4-8ubuntu1.19+esm5)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|
|
|
Patches: upstream: https://gitlab.isc.org/isc-projects/bind9/-/commit/38cc2d14e218e536e0102fa70deef99461354232 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |