| Package | samba |
|---|---|
| Version | 2:4.2.14+dfsg-0+deb8u14 |
| Related CVEs | CVE-2020-1472 CVE-2020-10704 CVE-2020-10745 CVE-2020-14303 CVE-2020-14318 CVE-2020-14323 CVE-2020-14383 |
Multiple vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix.
CVE-2020-1472
Unauthenticated domain controller compromise by subverting Netlogon
cryptography. This vulnerability includes both ZeroLogon and
non-ZeroLogon variations.
CVE-2020-10704
An unauthorized user can trigger a denial of service via a stack
overflow in the AD DC LDAP server.
CVE-2020-10745
Denial of service resulting from abuse of compression of replies to
NetBIOS over TCP/IP name resolution and DNS packets causing excessive
CPU load on the Samba AD DC.
CVE-2020-14303
Denial of service resulting from CPU spin and and inability to
process further requests once the AD DC NBT server receives an empty
(zero-length) UDP packet to port 137.
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
For Debian 8 jessie, these problems have been fixed in version 2:4.2.14+dfsg-0+deb8u14.
We recommend that you upgrade your samba packages.
Further information about Extended LTS security advisories can be found in the dedicated section of our website.