USN-4581-1: Python vulnerability

23950

20 November 2020

20 November 2020

CLOSED

MEDIUM

CVE-2020-26116

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04
  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

It was discovered that Python incorrectly handled certain character sequences. A remote attacker could possibly use this issue to perform CRLF injection.

CVEs contained in this USN include: CVE-2020-26116

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

Vulnerable Cloud Foundry components individually listed here. Impacted stemcells may be updated independently of upgrading Tanzu Application Service or Isolation Segment.
  • Isolation Segment
    • 2.7.x versions prior to 2.7.26
    • 2.8.x versions prior to 2.8.20
    • 2.9.x versions prior to 2.9.14
    • 2.10.x versions prior to 2.10.6
  • Operations Manager
    • 2.7 versions prior to 2.7.25
    • 2.9 versions prior to 2.9.12
    • 2.10 versions prior to 2.10.3
  • Platform Automation Toolkit
    • 4.3.x versions prior to 4.3.21
    • 4.4.x versions prior to 4.4.13
    • 5.0.x versions prior to 5.0.7
  • Tanzu Greenplum for Kubernetes
    • All versions prior to 2.0.0
  • VMware Tanzu Application Service for VMs
    • 2.7.x versions prior to 2.7.27
    • 2.8.x versions prior to 2.8.21
    • 2.9.x versions prior to 2.9.15
    • 2.10.x versions prior to 2.10.7

Mitigation

Users of affected products are strongly encouraged to follow the mitigation below. The Cloud Foundry security team recommends upgrading the affected OSS components listed here if applicable. Upgrade VMware Tanzu products that use earlier versions of CF components to new Tanzu releases using new versions linked above. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:
  • Isolation Segment
    • 2.7.26
    • 2.8.20
    • 2.9.14
    • 2.10.6
  • Operations Manager
    • 2.7.25
    • 2.9.12
    • 2.10.3
  • Platform Automation Toolkit
    • 4.3.21
    • 4.4.13
    • 5.0.7
  • Tanzu Greenplum for Kubernetes
    • 2.0.0
  • VMware Tanzu Application Service for VMs
    • 2.7.27
    • 2.8.21
    • 2.9.15
    • 2.10.7

References

History

2020-11-20: Initial vulnerability report published.