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USN-3993-1: curl vulnerabilities


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USN-3993-1: curl vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

Wenchao Li discovered that curl incorrectly handled memory in the curl_url_set() function. 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 19.04. (CVE-2019-5435)

It was discovered that curl incorrectly handled memory when receiving data from a TFTP server. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-5436)

CVEs contained in this USN include: CVE-2019-5435, CVE-2019-5436

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
    • 315.x versions prior to 315.34
    • 250.x versions prior to 250.56
    • 170.x versions prior to 170.76
    • 97.x versions prior to 97.106
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs3 prior to 0.92.0

Mitigation

Users of affected products are strongly encouraged to follow one of the mitigations below:

  • The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
    • Upgrade 315.x versions to 315.34
    • Upgrade 250.x versions to 250.56
    • Upgrade 170.x versions to 170.76
    • Upgrade 97.x versions to 97.106
    • 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 cflinuxfs3 version 0.92.0 or later.

References

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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