Vulnerability CVE-2013-0687


Published: 2013-04-17   Modified: 2013-04-18

Description:
The installer routine in Schneider Electric MiCOM S1 Studio uses world-writable permissions for executable files, which allows local users to modify the service or the configuration files, and consequently gain privileges or trigger incorrect protective-relay operation, via a Trojan horse executable file.

Type:

CWE-264

(Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:M/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.6/10
10/10
2.7/10
Exploit range
Attack complexity
Authentication
Local
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Schneider-electric -> Micom s1 studio 

 References:
http://ics-cert.us-cert.gov/pdf/ICSA-13-100-01.pdf
http://download.schneider-electric.com/files?p_File_Id=56543584&p_File_Name=SEVD-2013-087-01-MiCOM-S1-Studio-SW.pdf

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