Exploit/Advisories

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Ubuntu Security Notice USN-5424-1
May 17, 2022

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

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

OpenLDAP could be made to perform arbitrary modifications to the database.

Software Description:
- openldap: Lightweight Directory Access Protocol

Details:

It was discovered that OpenLDAP incorrectly handled certain SQL statements
within LDAP queries in the experimental back-sql backend. A remote attacker
could possibly use this issue to perform an SQL injection attack and alter
the database.

Update instructions:

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

Ubuntu 22.04 LTS:
slapd 2.5.11+dfsg-1~exp1ubuntu3.1

Ubuntu 21.10:
slapd 2.5.6+dfsg-1~exp1ubuntu1.1

Ubuntu 20.04 LTS:
slapd 2.4.49+dfsg-2ubuntu1.9

Ubuntu 18.04 LTS:
slapd 2.4.45+dfsg-1ubuntu1.11

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5424-1
CVE-2022-29155

Package Information:
https://launchpad.net/ubuntu/+source/openldap/2.5.11+dfsg-1~exp1ubuntu3.1
https://launchpad.net/ubuntu/+source/openldap/2.5.6+dfsg-1~exp1ubuntu1.1
https://launchpad.net/ubuntu/+source/openldap/2.4.49+dfsg-2ubuntu1.9
https://launchpad.net/ubuntu/+source/openldap/2.4.45+dfsg-1ubuntu1.11

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