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Cisco Bug: CSCus69437 - Evaluation of glibc GHOST vulnerability - CVE-2015-0235

Last Modified

Aug 03, 2017

Products (1)

  • Cisco WebEx Meetings

Known Affected Releases

MMP3.8.2.1

Description (partial)

Symptom:
On January 27, 2015, a buffer overflow vulnerability in the GNU C library (glibc) was publicly announced. This vulnerability is related to the various gethostbyname functions included in glibc and affect applications that call these functions. This vulnerability may allow an attacker to obtain sensitive information from an exploited system or, in some instances, perform remote code execution with the privileges of the application being exploited. This vulnerability is documented in CVE-2015-0235.

A Cisco Security Advisory has been published to document this vulnerability at:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150128-ghost

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

Conditions:
for normal usage, the vulnerability  won't impact WebEx service, the hostname used in WebEx services is configured in local server or passed from client, client get it from web, without user input. these hostname are domain name, not digital ip. but an attacker can modify the hostname in client side to attack webex services with this vulnerability
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