USN-5822-1: Samba vulnerabilities

USN-5822-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled the bad password count
logic. A remote attacker could possibly use this issue to bypass bad
passwords lockouts. This issue was only addressed in Ubuntu 22.10.
(CVE-2021-20251)

Evgeny Legerov discovered that Samba incorrectly handled buffers in
certain GSSAPI routines of Heimdal. A remote attacker could possibly use
this issue to cause Samba to crash, resulting in a denial of service.
(CVE-2022-3437)

Tom Tervoort discovered that Samba incorrectly used weak rc4-hmac Kerberos
keys. A remote attacker could possibly use this issue to elevate
privileges. (CVE-2022-37966, CVE-2022-37967)

It was discovered that Samba supported weak RC4/HMAC-MD5 in NetLogon Secure
Channel. A remote attacker could possibly use this issue to elevate
privileges. (CVE-2022-38023)

Greg Hudson discovered that Samba incorrectly handled PAC parsing. On
32-bit systems, a remote attacker could use this issue to escalate
privileges, or possibly execute arbitrary code. (CVE-2022-42898)

Joseph Sutton discovered that Samba could be forced to issue rc4-hmac
encrypted Kerberos tickets. A remote attacker could possibly use this issue
to escalate privileges. This issue only affected Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2022-45141)

WARNING: The fixes included in these updates introduce several important
behavior changes which may cause compatibility problems interacting with
systems still expecting the former behavior. Please see the following
upstream advisories for more information:

https://www.samba.org/samba/security/CVE-2022-37966.html
https://www.samba.org/samba/security/CVE-2022-37967.html
https://www.samba.org/samba/security/CVE-2022-38023.html
Source: USN-5822-1: Samba vulnerabilities

About KENNETH 18405 Articles
지락문화예술공작단

Be the first to comment

Leave a Reply

Your email address will not be published.


*


이 사이트는 스팸을 줄이는 아키스밋을 사용합니다. 댓글이 어떻게 처리되는지 알아보십시오.