Buffer overflow in Opcfoundation Unified Architecture Ansic

CVE-2018-12086

Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.

Vulnerability class: Buffer Overflow

EPSS: 0.116 (95.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2018-12086?
CVE-2018-12086 is a high-severity vulnerability in Opcfoundation Unified Architecture Ansic, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-09-14.
How severe is CVE-2018-12086?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-12086 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.