Vulnerability CVE-2012-4358
Published: 2012-08-19   Modified: 2012-08-20

Description:
Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 do not validate the return value of the realloc function, which allows remote attackers to cause a denial of service (invalid 0x00 write operation and daemon crash) or possibly have unspecified other impact via a port-46824 TCP packet with a crafted positive integer after the opcode.

See advisories in our WLB2 database:
Topic
Author
Date
High
Sielco Sistemi Winlog <= 2.07.16 Integer Overflow
Luigi Auriemma
21.08.2012

Type:

CWE-20

 (Improper Input Validation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Sielcosistemi -> Winlog lite 
Sielcosistemi -> Winlog pro 

 References:
http://www.us-cert.gov/control_systems/pdf/ICSA-12-213-01.pdf
http://www.sielcosistemi.com/en/news/index.html?id=69
http://secunia.com/advisories/49395
http://aluigi.org/adv/winlog_2-adv.txt
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