CVE-2019-25033
Published: 27 April 2021
** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in the regional allocator via the ALIGN_UP macro. 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.
Notes
| Author | Note |
|---|---|
| mdeslaur | same commit as CVE-2019-25032 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
unbound Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
|
| bionic |
Released
(1.6.7-1ubuntu2.4)
|
|
| groovy |
Not vulnerable
(1.11.0-1)
|
|
| hirsute |
Not vulnerable
|
|
| trusty |
Needed
|
|
| upstream |
Released
(1.9.6-1)
|
|
| 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/226298bbd36f1f0fd9608e98c2ae85988b7bbdb8 |
||
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 |