CVE-2018-16855
Published: 3 December 2018
An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pdns-recursor Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Released
(4.1.8-1)
|
|
| eoan |
Released
(4.1.8-1)
|
|
| focal |
Released
(4.1.8-1)
|
|
| groovy |
Released
(4.1.8-1)
|
|
| hirsute |
Released
(4.1.8-1)
|
|
| impish |
Released
(4.1.8-1)
|
|
| jammy |
Released
(4.1.8-1)
|
|
| kinetic |
Released
(4.1.8-1)
|
|
| lunar |
Released
(4.1.8-1)
|
|
| mantic |
Released
(4.1.8-1)
|
|
| trusty |
Does not exist
(trusty was not-affected [code not present])
|
|
| upstream |
Released
(4.1.8-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
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 | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |