Cloud Foundry Logo

USN-3441-1: curl vulnerabilities


Share

USN-3441-1: curl vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04

Description

Daniel Stenberg discovered that curl incorrectly handled large floating point output. 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 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-9586)

Even Rouault discovered that curl incorrectly handled large file names when doing TFTP transfers. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive memory contents. (CVE-2017-1000100)

Brian Carpenter and Yongji Ouyang discovered that curl incorrectly handled numerical range globbing. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive memory contents. (CVE-2017-1000101)

Max Dymond discovered that curl incorrectly handled FTP PWD responses. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service. (CVE-2017-1000254)

Brian Carpenter discovered that curl incorrectly handled the –write-out command line option. A local attacker could possibly use this issue to obtain sensitive memory contents. (CVE-2017-7407)

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH stemcells are vulnerable, including:
    • 3363.x versions prior to 3363.40
    • 3421.x versions prior to 3421.29
    • 3445.x versions prior to 3445.15
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs2 prior to 1.160.0

Mitigation

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

  • The Cloud Foundry project recommends upgrading the following BOSH stemcells:
    • Upgrade 3363.x versions prior to 3363.40
    • Upgrade 3421.x versions prior to 3421.29
    • Upgrade 3445.x versions prior to 3445.15
    • 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 1.160.0 or later.

References

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

SEE ALL ARTICLES