Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04

Description

It was discovered that SQLite incorrectly handled INTERSEC query processing. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-35525) It was discovered that SQLite incorrectly handled ALTER TABLE for views that have a nested FROM clause. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue was only addressed in Ubuntu 20.04 LTS. (CVE-2020-35527) It was discovered that SQLite incorrectly handled embedded null characters when tokenizing certain unicode strings. This issue could result in incorrect results. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-20223) Update Instructions: Run sudo ua fix USN-5615-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: lemon – 3.31.1-4ubuntu0.4 sqlite3-doc – 3.31.1-4ubuntu0.4 libsqlite3-0 – 3.31.1-4ubuntu0.4 libsqlite3-tcl – 3.31.1-4ubuntu0.4 sqlite3 – 3.31.1-4ubuntu0.4 libsqlite3-dev – 3.31.1-4ubuntu0.4 No subscription required

CVEs contained in this USN include: CVE-2020-35525, CVE-2020-35527, CVE-2021-20223.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.107
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.324.0
• CF Deployment
  • All versions prior to 21.11.0, or later versions with Bionic Stemcells prior to 1.107

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• Bionic Stemcells
  • Upgrade 1.x versions to 1.107 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.324.0 or greater
• CF Deployment
  • Upgrade all versions to 21.11.0 or greater and upgrade Bionic Stemcells to 1.107 or greater

References

• USN Notice
• CVE-2020-35525
• CVE-2020-35527
• CVE-2021-20223

History

2022-09-29: Initial vulnerability report published.