CVE-2011-3489
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Rockwell RSLogix 19 - Denial of Service
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| rockwellautomation | rslogix | {"endIncluding":"19"} | |
References
- http://aluigi.altervista.org/adv/rslogix_1-adv.txt
- http://securityreason.com/securityalert/8383
- http://www.securityfocus.com/bid/49608
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69808
- http://aluigi.altervista.org/adv/rslogix_1-adv.txt
- http://securityreason.com/securityalert/8383
- http://www.securityfocus.com/bid/49608
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69808
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.