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USN-2856-1: ldb vulnerabilities

5 January 2016

Several security issues were fixed in ldb.

Releases

Packages

  • ldb - LDAP-like embedded database

Details

Thilo Uttendorfer discovered that the ldb incorrectly handled certain zero
values. A remote attacker could use this issue to cause applications using
ldb, such as Samba, to stop responding, resulting in a denial of service.
(CVE-2015-3223)

Douglas Bagnall discovered that ldb incorrectly handled certain string
lengths. A remote attacker could use this issue to possibly access
sensitive information from memory of applications using ldb, such as Samba.
(CVE-2015-5330)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.10
Ubuntu 15.04
Ubuntu 14.04
Ubuntu 12.04

After a standard system update you need to restart applications using ldb,
such as Samba, to make all the necessary changes.

Related notices

  • USN-2855-1: winbind, samba, libsmbsharemodes-dev, samba-vfs-modules, samba-doc, libwbclient-dev, libsmbclient-dev, samba-dsdb-modules, libpam-winbind, libsmbclient, samba-libs, samba-testsuite, libwbclient0, samba-dev, libsmbsharemodes0, smbclient, samba-common, libnss-winbind, python-samba, registry-tools, libparse-pidl-perl, libpam-smbpass, samba-common-bin