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USN-2856-1: ldb vulnerabilities

5 January 2016

Several security issues were fixed in ldb.

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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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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