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…
Does this matter?
Lower severity and a low EPSS score (8.75%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 8.75% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- rockwellautomation/rslogix
- Source
- cve@mitre.org
References
- http://aluigi.altervista.org/adv/rslogix_1-adv.txtExploit
- 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.txtExploit
- http://securityreason.com/securityalert/8383
- http://www.securityfocus.com/bid/49608
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69808
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.