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Cisco Bug: CSCur38084 - XMLSoft libxml2 Crafted XML File Remote Denial of Service Vulnerability

Last Modified

Aug 06, 2018

Products (1)

  • Cisco Jabber for Windows

Known Affected Releases

10.5(1) 10.6(0) 9.2(0) 9.6(1) 9.7(4)

Description (partial)

Symptoms:
Cisco Jabber for Windows Unified Communications includes a version of libxml2 that is affected by the
vulnerabilities identified by the following Common Vulnerability and Exposures (CVE) IDs:

CVE-2014-3660: parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity
substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU
consumption) via a crafted XML document containing a large number of nested entity references, a variant of
the ''billion laughs'' attack.

This bug was opened to address the potential impact on this product.

Conditions:
Running version of the software prior to the Known Fixed Releases
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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