USN-6616-1: OpenLDAP vulnerability | Cloud Foundry

Severity

Low

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 22.04

Description

It was discovered that OpenLDAP was not properly performing bounds checks when executing functions related to LDAP URLs. An attacker could possibly use this issue to cause a denial of service. Update Instructions: Run sudo pro fix USN-6616-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libldap-2.4-2 – 2.4.49+dfsg-2ubuntu1.10 libldap-common – 2.4.49+dfsg-2ubuntu1.10 slapd-contrib – 2.4.49+dfsg-2ubuntu1.10 slapi-dev – 2.4.49+dfsg-2ubuntu1.10 slapd-smbk5pwd – 2.4.49+dfsg-2ubuntu1.10 ldap-utils – 2.4.49+dfsg-2ubuntu1.10 libldap2-dev – 2.4.49+dfsg-2ubuntu1.10 slapd – 2.4.49+dfsg-2ubuntu1.10 No subscription required

CVEs contained in this USN include: CVE-2023-2953.

Affected Cloud Foundry Products and Versions

Severity is low unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.69.0
• Jammy Stemcells
  • 1.x versions prior to 1.360
  • All other stemcells not listed.
• CF Deployment
  • All versions with Jammy Stemcells prior to 1.360

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs4
  • Upgrade all versions to 1.69.0 or greater
• Jammy Stemcells
  • Upgrade 1.x versions to 1.360 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• CF Deployment
  • For all versions, upgrade Jammy Stemcells to 1.360 or greater

References

• USN Notice
• CVE-2023-2953

History

2024-02-29: Initial vulnerability report published.