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USN-5992-1: ldb vulnerability

3 April 2023

ldb could be made to expose sensitive information over the network.

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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

Releases

Packages

  • ldb - LDAP-like embedded database

Details

Demi Marie Obenour discovered that ldb, when used with Samba, incorrectly
handled certain confidential attribute values. A remote authenticated
attacker could possibly use this issue to obtain certain sensitive
information.

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 22.04
Ubuntu 20.04

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

References

Related notices

  • USN-5993-1: samba-common-bin, python3-samba, samba, samba-dev, python3-ldb, samba-libs, samba-dsdb-modules, libsmbclient-dev, samba-common, libnss-winbind, samba-testsuite, registry-tools, libwbclient-dev, libwbclient0, libldb2, python3-ldb-dev, smbclient, ctdb, libsmbclient, winbind, samba-vfs-modules, libldb-dev, libpam-winbind, ldb-tools