CVE-2019-25034
Published: 27 April 2021
** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
unbound Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
|
| groovy |
Not vulnerable
(1.11.0-1)
|
|
| hirsute |
Not vulnerable
|
|
| trusty |
Needed
|
|
| upstream |
Released
(1.9.6-1)
|
|
| bionic |
Released
(1.6.7-1ubuntu2.4)
|
|
| focal |
Released
(1.9.4-2ubuntu1.2)
|
|
| jammy |
Not vulnerable
|
|
| kinetic |
Not vulnerable
|
|
| lunar |
Not vulnerable
|
|
| xenial |
Needed
|
|
| mantic |
Not vulnerable
|
|
|
Patches: upstream: https://github.com/NLnetLabs/unbound/commit/a3545867fcdec50307c776ce0af28d07046a52dd |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |