Tried, Tested and Proven

Vulnerability title: Shell Breakout in Symmetricom s350i

CVE: CVE-2014-5062
Vendor: Symmetricom
Product: s350i
Affected version: 2.70.15
Fixed version: N/A
Reported by: Mike Emery


It was observed that it was possible to inject OS commands due to insufficient sanitisation by the engineering shell of the client data processed.For example, the following engineering commands were found to have OS command injection:


1) Login to the system over SSH.
2) From the resultant shell enter the command “engineer”.

3) Enter the “sys” submenu.

4) Enter the command “cp /z /zz;id”.
5) Observe the response containing the output of id.

Note: This was not the only place in which command injection was identified. It appears that this issue is endemic due to the way in which the web application has been developed.


With OS command injection, an attacker can leverage this weakness to execute arbitrary commands, disclose sensitive information and cause denial of service. Any malicious activities would appear to come from the vulnerable application and will be executed in security context of that application.


Exploit code is not required.

Vendor status:

30/05/2014 Advisory created
10/06/2014 Vendor contacted
09/07/2014 Vendor contact reattempted
28/07/2014 CVE obtained and provisional release date set
13/08/2014 Final vendor contact initiated
20/08/2014 First vendor response
20/08/2014 Vendor advised of release date and more information on fix time
frame requested
28/08/2014 Vendor contacted to re-emphasise release dates as no response from
previous contact was received
29/08/2014 Vendor responded requesting a discussion before release. This was
not possible due to time zone differences
29/08/2014 Published
01/09/2014 In discussion with vendor following a period of non-response


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