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Debian Security Advisory DSA-4443-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
May 14, 2019                          https://www.debian.org/security/faq
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Package        : samba
CVE ID         : CVE-2018-16860

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/source-package/samba

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

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-4443-1: samba security update

May 14, 2019
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 in...

Summary

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/source-package/samba

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

Mailing list: debian-security-announce@lists.debian.org

Severity
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.

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