CVE-2022-44640
Published: 25 December 2022
Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).
Notes
| Author | Note |
|---|---|
| mdeslaur | per upstream Samba, this vulnerability doesn't actually affect Samba, but the code has been patched in case the API is used in the future. See the following post: https://bugzilla.samba.org/show_bug.cgi?id=14929#c15 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
heimdal Launchpad, Ubuntu, Debian |
bionic |
Released
(7.5.0+dfsg-1ubuntu0.3)
|
| focal |
Released
(7.7.0+dfsg-1ubuntu1.3)
|
|
| jammy |
Needed
|
|
| kinetic |
Needed
|
|
| trusty |
Released
(1.6~git20131207+dfsg-1ubuntu1.2+esm3)
|
|
| upstream |
Released
(7.7.1, 7.8, 7.8.git20221115.a6cf945+dfsg-1)
|
|
| xenial |
Released
(1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3)
|
|
|
Patches: upstream: https://github.com/heimdal/heimdal/commit/ea5ec8f174920cb80ce2b168b49195378420449e (heimdal-7.7.1) |
||
| Binaries built from this source package are in Universe and so are supported by the community. | ||
|
samba Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| focal |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| kinetic |
Not vulnerable
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Released
(4.15.13,4.17.4,4.16.8)
|
|
| xenial |
Not vulnerable
|
|
|
Patches: upstream: https://git.samba.org/?p=samba.git;a=commit;h=b4c3ce6fb9b2aebbbe7d802ce48c691a9cabcf4f (4.15) upstream: https://git.samba.org/?p=samba.git;a=commit;h=73c7c6ec9bc3a1993e766f119e9e29905ded5e28 (4.15) |
||
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 |