Cisco Security Advisory
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AV:L/AC:L/Au:S/C:C/I:C/A:N/E:F/RL:U/RC:C
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A vulnerability in the Certificate Authority Proxy Function (CAPF) command-line function for Certificate Signing Request (CSR) management of Cisco Unified Communications Manager (Cisco Unified CM) could allow an authenticated, local attacker to read or write arbitrary files to the underlying operating system.
The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by entering a crafted command-line entry. An exploit could allow the attacker to read or write arbitrary files on the underlying operating system.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
To exploit this vulnerability, an attacker would need local access to the targeted device. This access requirement decreases the likelihood of a successful exploit.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
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Customers are advised to consult Cisco bug ID CSCum95464 for a complete list of affected product versions.
Vulnerable Products
At the time this alert was first published, Cisco Unified CM versions 10.0(1) and prior were vulnerable. Later releases of Cisco Unified CM may also be vulnerable.Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by these vulnerabilities.
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Administrators are advised to contact the vendor regarding future updates and releases.
Administrators are advised to allow only trusted users to access local systems.
Administrators are advised to monitor affected systems.
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Software updates are not available.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial Release NA Final 2014-Feb-25
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