CVE-2017-15107
Published: 23 January 2018
A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
dnsmasq Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| groovy |
Not vulnerable
(2.79-1)
|
|
| bionic |
Not vulnerable
(2.79-1)
|
|
| cosmic |
Not vulnerable
(2.79-1)
|
|
| disco |
Not vulnerable
(2.79-1)
|
|
| eoan |
Not vulnerable
(2.79-1)
|
|
| focal |
Not vulnerable
(2.79-1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2.79-1)
|
|
| xenial |
Released
(2.75-1ubuntu0.16.04.10)
|
|
|
Patches: upstream: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=4fe6744a220eddd3f1749b40cac3dfc510787de6 upstream: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=cd7df612b14ec1bf831a966ccaf076be0dae7404 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |