Executive Summary

Titlesamba security update
NameDSA-4345First vendor Publication2018-11-27
VendorDebianLast vendor Modification2018-11-27
Severity (Vendor) N/ARevision1

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores


Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix. The Common Vulnerabilities and Exposures project identifies the following issues:


Florian Stuelpner discovered that Samba is vulnerable to infinite query recursion caused by CNAME loops, resulting in denial of service.



Alex MacCuish discovered that a user with a valid certificate or smart card can crash the Samba AD DC's KDC when configured to accept smart-card authentication.



Garming Sam of the Samba Team and Catalyst discovered a NULL pointer dereference vulnerability in the Samba AD DC LDAP server allowing a user able to read more than 256MB of LDAP entries to crash the Samba AD DC's LDAP server.


For the stable distribution (stretch), these problems have been fixed in version 2:4.5.12+dfsg-2+deb9u4.

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

Original Source

Url : http://www.debian.org/security/2018/dsa-4345

Nessus® Vulnerability Scanner

2018-11-29Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2018-333-01.nasl - Type : ACT_GATHER_INFO
2018-11-29Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4345.nasl - Type : ACT_GATHER_INFO
2018-11-28Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_54976998f24811e881e2005056a311d1.nasl - Type : ACT_GATHER_INFO

Alert History

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2018-11-29 17:21:41
  • Multiple Updates
2018-11-27 13:19:38
  • First insertion