USN-6473-1: urllib3 vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 22.04

Description

It was discovered that urllib3 didn’t strip HTTP Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-25091) It was discovered that urllib3 didn’t strip HTTP Cookie header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2023-43804) It was discovered that urllib3 didn’t strip HTTP body on status code 303 redirects under certain circumstances. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2023-45803) Update Instructions: Run sudo pro fix USN-6473-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: python-urllib3 – 1.13.1-2ubuntu0.16.04.4+esm1 python3-urllib3 – 1.13.1-2ubuntu0.16.04.4+esm1 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2018-25091, CVE-2023-43804, CVE-2023-45803.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs4
  • All versions prior to 1.0.0
• CF Deployment
  • All versions prior to 1.9.0

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 1.0.0 or greater
• CF Deployment
  • Upgrade all versions to 1.9.0 or greater

References

• USN Notice
• CVE-2018-25091
• CVE-2023-43804
• CVE-2023-45803

History

2023-11-09: Initial vulnerability report published.