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 |
jammy |
Needed
|
kinetic |
Ignored
(end of life, was needed)
|
|
lunar |
Needed
|
|
upstream |
Released
(7.7.1, 7.8, 7.8.git20221115.a6cf945+dfsg-1)
|
|
xenial |
Released
(1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
bionic |
Released
(7.5.0+dfsg-1ubuntu0.3)
|
|
focal |
Released
(7.7.0+dfsg-1ubuntu1.3)
|
|
trusty |
Released
(1.6~git20131207+dfsg-1ubuntu1.2+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
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 |
trusty |
Not vulnerable
|
xenial |
Not vulnerable
|
|
bionic |
Not vulnerable
|
|
focal |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
kinetic |
Not vulnerable
|
|
upstream |
Released
(4.15.13,4.17.4,4.16.8)
|
|
lunar |
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 |