high
7.8
CWE
611
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2016-8739: XEE

First published: Mon Dec 19 2016(Updated: )

Apache CXF JAX-RS implementation provides a number of Atom MessageBodyReaders. These readers use Apache Abdera Parser to parse Atom feeds or Entries, with this Parser expanding XML entities by default. This represents a major XXE risk. External References: <a href="http://cxf.apache.org/security-advisories.data/CVE-2016-8739.txt.asc?version=1&amp;modificationDate=1482164360575&amp;api=v2">http://cxf.apache.org/security-advisories.data/CVE-2016-8739.txt.asc?version=1&amp;modificationDate=1482164360575&amp;api=v2</a>

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache CXF<=3.0.11
Apache CXF=3.1.0
Apache CXF=3.1.1
Apache CXF=3.1.2
Apache CXF=3.1.3
Apache CXF=3.1.4
Apache CXF=3.1.5
Apache CXF=3.1.6
Apache CXF=3.1.7
Apache CXF=3.1.8
maven/org.apache.cxf:cxf-core>=3.1.0<=3.1.8
3.1.9
maven/org.apache.cxf:cxf-core<=3.0.11
3.0.12

Remedy

http://cxf.apache.org/security-advisories.data/CVE-2016-8739.txt.asc

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-8739?

    CVE-2016-8739 is classified as a major vulnerability due to its potential for XML External Entity (XXE) attacks.

  • How do I fix CVE-2016-8739?

    To fix CVE-2016-8739, upgrade Apache CXF to version 3.1.9 or later, or to version 3.0.12 if you are on an older version.

  • Which versions of Apache CXF are affected by CVE-2016-8739?

    CVE-2016-8739 affects Apache CXF versions up to and including 3.0.11 and versions 3.1.0 to 3.1.8.

  • What type of attacks does CVE-2016-8739 enable?

    CVE-2016-8739 enables XML External Entity (XXE) attacks, which can result in data exposure or denial of service.

  • Is there a workaround for CVE-2016-8739 if I cannot upgrade?

    There are no official workarounds for CVE-2016-8739, and upgrading to a patched version is the recommended approach.

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