Vulnerability CVE-2011-3489


Published: 2011-09-16   Modified: 2012-02-13

Description:
RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted rna packet with a long string to TCP port 4446 that triggers (1) "a memset zero overflow" or (2) an out-of-bounds read, related to improper handling of a 32-bit size field.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Rockwell RSLogix Denial of Service
Luigi Auriemma
20.09.2011

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

Vendor: Rockwellautomation
Product: Rslogix 
Version: 19;

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
http://xforce.iss.net/xforce/xfdb/69808
http://www.securityfocus.com/bid/49608
http://aluigi.altervista.org/adv/rslogix_1-adv.txt

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