JVN#62527913 Directory traversal vulnerability in multiple Cisco Systems products

Overview

Multiple products provided by Cisco Systems contain a directory traversal vulnerablility.

Products Affected

CiscoWorks Common Services 3.0.x
CiscoWorks Common Services 3.1.x
CiscoWorks Common Services 3.2.x

Products are affected when the above software is being run on Windows with the TFTP service enabled. For more information, refer to the vendor's website.

Note that the Solaris version is not affected.

Description

Multiple Cisco Systems products are vulnerable to directory traversal due to an issue in CiscoWorks Common Services.

Impact

A remote attacker could view or alter files on the target server.

Solution

Update the software
Update to the latest version of CiscoWorks Common Services according the information provided by the vendor.

Workarounds
As a workaround to this vulnerability, disable the TFTP service until the software is updated.

Vendor Status

Vendor	Link
Cisco Systems	Cisco Security Advisory: CiscoWorks TFTP Directory Traversal Vulnerability

References

IPA
Security Alert for Vulnerability in Multiple Cisco Systems Products

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2009.05.29

Measures	Conditions	Severity
Access Required	Routed - can be attacked over the Internet using packets	High
Authentication	None - anonymous or no authentication (IP addresses do not count)	High
User Interaction Required	None - the vulnerability can be exploited without an honest user taking any action	High
Exploit Complexity	Low - little to no expertise and/or luck required to exploit (cross-site scripting)	High

Description of each analysis measures

Credit

Jun Okada of NTT DATA SECURITY CORPORATION reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2009-1161
JVN iPedia	JVNDB-2009-000032