Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 14.04

Description

Alex Nichols discovered that curl incorrectly handled NTLM authentication credentials. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 17.04 and Ubuntu 17.10. (CVE-2017-8816)

It was discovered that curl incorrectly handled FTP wildcard matching. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2017-8817)

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Cloud Foundry BOSH stemcells are vulnerable, including:
  • 3421.x versions prior to 3421.34
  • 3445.x versions prior to 3445.19
  • 3468.x versions prior to 3468.13
  • All other stemcells not listed.
• All versions of Cloud Foundry cflinuxfs2 prior to 1.171.0

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

• The Cloud Foundry project recommends upgrading the following BOSH stemcells:
  • Upgrade 3421.x versions prior to 3421.34
  • Upgrade 3445.x versions prior to 3445.19
  • Upgrade 3468.x versions prior to 3468.13
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.171.0 or later.

References

• USN-3498-1
• CVE-2017-8816
• CVE-2017-8817