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AUSCERT External Security Bulletin Redistribution
Cisco WebEx Information Disclosure through Inconsistent
Error Messages Vulnerability
1 August 2013
AusCERT Security Bulletin Summary
Product: Cisco WebEx
Publisher: Cisco Systems
Operating System: Network Appliance
VMware ESX Server
Impact/Access: Access Confidential Data -- Existing Account
CVE Names: CVE-2013-3425
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Cisco Security Notice
Cisco WebEx Information Disclosure through Inconsistent Error Messages
CVE ID: CVE-2013-3425
Release Date: 2013 July 30 19:23 UTC (GMT)
Last Updated: 2013 July 30 19:23 UTC (GMT)
Cisco WebEx Version 11 contains a vulnerability that could allow an
authenticated, remote attacker to determine whether a file exists.
The vulnerability is due to different error messages for when a file exists
and the user lacks privileges, and when the file does not exist. An attacker
could exploit this vulnerability by attempting to view other users files
through crafted SPI calls. An exploit could allow the attacker to determine
whether a file exists.
Product More Information CVSS
Cisco WebEx Meeting Center CSCuc35965 4.0/3.3
What Is a Cisco Security Notice?
The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco
Security Notices to inform customers of low- to mid-level severity security
issues involving Cisco products.
Customers who wish to upgrade to a software version that includes fixes for
these issues should contact their normal support channels. Free software
updates will not be provided for issues that are disclosed through a Cisco
For additional information about Cisco PSIRT publications, see the Cisco
Security Vulnerability Policy at
Customers Using Third-Party Support Organizations
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or existing agreements with third-party support organizations, such as Cisco
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customers should consult their service providers or support organizations to
ensure that any applied workaround or fix is the most appropriate in the
intended network before it is deployed.
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