[USN-3895-1] LDB vulnerability


This is an OpenPGP/MIME signed message (RFC 4880 and 3156)

protocol=”application/pgp-signature”;
boundary=”NcCV0EKxfRKtobASotDH0IOc31ajMUase”

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
–NcCV0EKxfRKtobASotDH0IOc31ajMUase

protected-headers=”v1″
From: Marc Deslauriers
Reply-To: Ubuntu Security
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID:
Subject: [USN-3895-1] LDB vulnerability

–0BLEh0f3EY40ivCdEc0Eu8IYLjBNZkOv6

Content-Language: en-CA
Content-Transfer-Encoding: quoted-printable

=
=

Ubuntu Security Notice USN-3895-1
February 26, 2019

ldb vulnerability
=
=

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

– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

LDB could be made to crash if it received specially crafted network
traffic.

Software Description:
– ldb: LDAP-like embedded database – tools

Details:

It was discovered that LDB incorrectly handled certain search expressions=
=2E
A remote attacker could possibly use this issue to cause the Samba LDAP
process to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 18.10:
libldb1 2:1.4.0+really1.3.5-2ubuntu0.1

Ubuntu 18.04 LTS:
libldb1 2:1.2.3-1ubuntu0.1

Ubuntu 16.04 LTS:
libldb1 2:1.1.24-1ubuntu3.1

Ubuntu 14.04 LTS:
libldb1 1:1.1.24-0ubuntu0.14.04.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3895-1
CVE-2019-3824

Package Information:
https://launchpad.net/ubuntu/+source/ldb/2:1.4.0+really1.3.5-2ubuntu0.1=

https://launchpad.net/ubuntu/+source/ldb/2:1.2.3-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ldb/2:1.1.24-1ubuntu3.1
https://launchpad.net/ubuntu/+source/ldb/1:1.1.24-0ubuntu0.14.04.2

–0BLEh0f3EY40ivCdEc0Eu8IYLjBNZkOv6–

–NcCV0EKxfRKtobASotDH0IOc31ajMUase

Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename=”signature.asc”

—–BEGIN PGP SIGNATURE—–
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=8+8B
—–END PGP SIGNATURE—–

–NcCV0EKxfRKtobASotDH0IOc31ajMUase–

MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5
LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl
IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj
dXJpdHktYW5ub3VuY2UK