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Vulnerability CVE-2020-5802
Published: 2020-12-29
| Description: |
An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected. |
Type:
CWE-755
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: |
https://www.tenable.com/security/research/tra-2020-71
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