Vulnerability Details : CVE-2018-14829
Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote threat actor to intentionally send a malformed CIP packet to Port 44818, causing the software application to stop responding and crash. This vulnerability also has the potential to exploit a buffer overflow condition, which may allow the threat actor to remotely execute arbitrary code.
Vulnerability category: OverflowExecute code
Exploit prediction scoring system (EPSS) score for CVE-2018-14829
Probability of exploitation activity in the next 30 days: 2.34%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 89 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-14829
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-14829
-
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)
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: ics-cert@hq.dhs.gov (Secondary)
References for CVE-2018-14829
-
https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02
Rockwell Automation RSLinx Classic | CISAThird Party Advisory;US Government Resource
-
https://www.tenable.com/security/research/tra-2018-26
[R1] RSLinx Classic Buffer Overflows - Research Advisory | Tenable®Exploit;Third Party Advisory
Products affected by CVE-2018-14829
- cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:*