CVE-2022-26496
Published: 6 March 2022
In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
nbd Launchpad, Ubuntu, Debian |
bionic |
Released
(1:3.16.2-1ubuntu0.2)
|
| focal |
Released
(1:3.20-1ubuntu0.1)
|
|
| impish |
Released
(1:3.21-1ubuntu0.1)
|
|
| jammy |
Released
(1:3.23-3ubuntu1)
|
|
| kinetic |
Released
(1:3.23-3ubuntu1)
|
|
| lunar |
Released
(1:3.23-3ubuntu1)
|
|
| mantic |
Released
(1:3.23-3ubuntu1)
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Needed
|
|
|
Patches: upstream: https://sourceforge.net/p/nbd/code/ci/3740ff7fc9c3847d309c180a1a9fc9bc895342d5/ |
||
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 |