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USN-3235-1: libxml2 vulnerabilities


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USN-3235-1: libxml2 vulnerabilities

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04

Description

It was discovered that libxml2 incorrectly handled format strings. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. (CVE-2016-4448)

It was discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-4658)

Nick Wellnhofer discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-5131)

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH stemcells are vulnerable, including:
    • 3151.x versions prior to 3151.14
    • 3233.x versions prior to 3233.16
    • 3263.x versions prior to 3263.22
    • 3312.x versions prior to 3312.22
    • 3363.x versions prior to 3363.14
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs2 prior to 1.108.0

Mitigation

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

  • The Cloud Foundry project recommends upgrading the following BOSH stemcells:
    • Upgrade 3151.x versions to 3151.14 or later
    • Upgrade 3233.x versions to 3233.16 or later
    • Upgrade 3263.x versions to 3263.22 or later
    • Upgrade 3312.x versions to 3312.22 or later
    • Upgrade 3363.x versions to 3363.14 or later
    • All other stemcells should be upgraded to the latest version.
  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 versions 1.108.0 or later.

References

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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