Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-12086 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | wireshark | Not affected |
| Red Hat Enterprise Linux 6 | wireshark | Not affected |
| Red Hat Enterprise Linux 5 | wireshark | Not affected |
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