Vulnerability Details : CVE-2011-3489
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.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-3489
Probability of exploitation activity in the next 30 days: 0.77%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 81 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-3489
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-3489
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-3489
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http://securityreason.com/securityalert/8383
Rockwell RSLogix Denial of Service - CXSecurity.com
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http://aluigi.altervista.org/adv/rslogix_1-adv.txt
Exploit
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https://exchange.xforce.ibmcloud.com/vulnerabilities/69808
Rockwell RSLogix rna denial of service CVE-2011-3489 Vulnerability Report
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http://www.securityfocus.com/bid/49608
RSLogix Remote Denial of Service Vulnerability
Products affected by CVE-2011-3489
- cpe:2.3:a:rockwellautomation:rslogix:*:*:*:*:*:*:*:*