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AUSCERT External Security Bulletin Redistribution
ESB-2017.1691
Cisco FireSIGHT System Software Arbitrary Code Execution Vulnerability
6 July 2017
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AusCERT Security Bulletin Summary
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Product: Cisco FireSIGHT
Publisher: Cisco Systems
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-6735
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-FireSIGHT
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Cisco Security Advisory
Cisco FireSIGHT System Software Arbitrary Code Execution Vulnerability
Medium
Advisory ID:
cisco-sa-20170705-FireSIGHT
First Published:
2017 July 5 16:00GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCvc91092
CVE-2017-6735
CWE-20
CVSS Score:
Base 6.7, Temporal 6.7
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X
CVE-2017-6735
CWE-20
Summary
A vulnerability in the backup and restore functionality of Cisco FireSIGHT
System Software could allow an authenticated, local attacker to execute
arbitrary code on a targeted system.
The vulnerability is due to improper handling of modified backup
configuration files. An attacker could exploit this vulnerability by
modifying certain components within the backup system files. An exploit
could allow the attacker to run arbitrary code as a root user on the
affected appliance.
There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-20170705-FireSIGHT
Affected Products
Vulnerable Products
This vulnerability affects Cisco FireSIGHT System Software. For information
about affected software releases, consult the Cisco bug ID(s) at the top of
this advisory.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
For information about fixed software releases, consult the Cisco bug ID(s)
at the top of this advisory.
When considering software upgrades, customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories and Alerts page, to determine exposure and a
complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Exploitation and Public Announcements
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.
Source
This vulnerability was internally reported to the Cisco PSIRT by Erik
Sturcke.
Cisco Security Vulnerability Policy
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.
URL
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-20170705-FireSIGHT
Revision History
Version Description Section Status Date
1.0 Initial public release. Final 2017-July-05
Legal Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND
OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT
OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES
THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
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