Packages
- samba - SMB/CIFS file, print, and login server for Unix
Details
USN-7582-1 fixed vulnerabilities in Samba. The update introduced a
regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
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)
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....
USN-7582-1 fixed vulnerabilities in Samba. The update introduced a
regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
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)
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)
Florent Saudel discovered that Samba incorrectly handled certain Spotlight
requests. A remote attacker could possibly use this issue to cause Samba
to consume resources, leading to a denial of service. (CVE-2023-34966)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 18.04 bionic | samba – 2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2 | ||
| 16.04 xenial | samba – 2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3 | ||
| 14.04 trusty | samba – 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm14 | ||
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