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Ubuntu Security Notice USN-2856-1

Ubuntu Security Notice USN-2856-1
Posted Jan 5, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2856-1 - 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. 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. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2015-3223, CVE-2015-5330
SHA-256 | 06bff63b4bcbbd739e856db003c4656d0fe21fde784af34dc73fb6bb7e9d35ae

Ubuntu Security Notice USN-2856-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-2856-1
January 05, 2016

ldb vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.10
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in ldb.

Software Description:
- 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:
libldb1 2:1.1.20-2ubuntu0.1

Ubuntu 15.04:
libldb1 1:1.1.18-1ubuntu0.1

Ubuntu 14.04 LTS:
libldb1 1:1.1.16-1ubuntu0.1

Ubuntu 12.04 LTS:
libldb1 1:1.1.4-1ubuntu0.1

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

References:
http://www.ubuntu.com/usn/usn-2856-1
CVE-2015-3223, CVE-2015-5330

Package Information:
https://launchpad.net/ubuntu/+source/ldb/2:1.1.20-2ubuntu0.1
https://launchpad.net/ubuntu/+source/ldb/1:1.1.18-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ldb/1:1.1.16-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ldb/1:1.1.4-1ubuntu0.1


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