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USN-3504-1: libxml2 vulnerability | Cloud Foundry

Description

# # Severity Medium # Vendor Canonical Ubuntu # Versions Affected * Canonical Ubuntu 14.04 # Description Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. # 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 1.173.0 # 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](<https://bosh.io>). * The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.173.0 or later. # References * [USN-3504-1](<http://www.ubuntu.com/usn/usn-3504-1/>) * [CVE-2017-16932](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-16932>)


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