[SECURITY] [DLA 3792-1] samba security update

Debian LTS Advisory DLA-3792-1 [email protected]
https://www.debian.org/lts/security/ Santiago Ruano Rincón
April 22, 2024 https://wiki.debian.org/LTS

Package : samba
Version : 2:4.9.5+dfsg-5+deb10u5
CVE ID : CVE-2020-14318 CVE-2020-14323 CVE-2020-14383 CVE-2022-2127
CVE-2022-3437 CVE-2022-32742 CVE-2023-4091

Several vulnerabilities were discovered in Samba, SMB/CIFS file,
print, and login server for Unix

CVE-2020-14318

Missing handle permissions check in ChangeNotify

CVE-2020-14323

Unprivileged user can crash winbind via invalid lookupsids DoS

CVE-2020-14383

DNS server crash via invalid records resulting from uninitialized
variables

CVE-2022-2127

Out-of-bounds read in winbind AUTH_CRAP

CVE-2022-3437

Heimdal des/des3 heap-based buffer overflow

CVE-2022-32742

Server memory information leak via SMB1

CVE-2023-4091

Client can truncate files even with read-only permissions

For Debian 10 buster, these problems have been fixed in version
2:4.9.5+dfsg-5+deb10u5.

We recommend that you upgrade your samba packages.

For the detailed security status of samba please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/samba

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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