Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to escalate privileges. (CVE-2020-14344)

Jayden Rivers discovered that libx11 incorrectly handled locales. A local attacker could possibly use this issue to escalate privileges. (CVE-2020-14363)

CVEs contained in this USN include: CVE-2020-14363, CVE-2020-14344.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.204.0
• CF Deployment
  • All versions prior to v13.19.0

Mitigation

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

• cflinuxfs3
  • Upgrade All versions to 0.204.0 or greater
• CF Deployment
  • Upgrade All versions to v13.19.0 or greater

References

• USN Notice
• CVE-2020-14363
• CVE-2020-14344

History

2020-09-24: Initial vulnerability report published.