Isaac Boukris and Andrew Bartlett discovered that the S4U2Self Kerberos extension used in Samba's Active Directory support was susceptible to man-in-the-middle attacks caused by incomplete checksum validation. Details can be found in the upstream advisory at https://www.samba.org/samba/security/CVE-2018-16860.html For the stable distribution (stretch), this problem has been fixed in version 2:4.5.16+dfsg-1+deb9u2. 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
Isaac Boukris and Andrew Bartlett discovered that the S4U2Self Kerberos extension used in Samba's Active Directory support was susceptible to man-in-the-middle attacks caused by incomplete checksum validation.
Details can be found in the upstream advisory at https://www.samba.org/samba/security/CVE-2018-16860.html
For the stable distribution (stretch), this problem has been fixed in version 2:4.5.16+dfsg-1+deb9u2.
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
Vulmon