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Cisco Bug: CSCus15629 - CUCDM: Ruby DoS and Artibrary Code Execution

Last Modified

Aug 06, 2018

Products (1)

  • Cisco Hosted Collaboration Solution (HCS)

Known Affected Releases

10.1(2)

Description (partial)

Symptoms:
Cisco Hosted Collaboration Solution (HCS) includes a version of Ruby that is affected by the vulnerabilities
identified by the following Common Vulnerability and Exposures (CVE) IDs:

CVE-2014-4975: Off-by-one error in the encodes function in pack.c in Ruby 1.9.3 and earlier, and 2.x through
2.1.2, when using certain format string specifiers, allows context-dependent attackers to cause a denial of
service (segmentation fault) via vectors that trigger a stack-based buffer overflow. This has been classified
by the vendor as having a CVSSv2 score of 5.0 (AV:N/AC:L/AU:N/C:N/I:N/A:P)

CVE-2014-8080: The REXML parser in Ruby 1.9.x before 1.9.3-p550, 2.0.x before 2.0.0-p594, and 2.1.x before
2.1.4 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document,
aka an XML Entity Expansion (XEE) attack. This has been classified by the vendor as having a CVSSv2 score of
5.0 (AV:N/AC:L/AU:N/C:N/I:N/A:P)

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

Conditions:
Running a version prior to the Known Fixed Versions.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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