CVE-2018-7687 Client for OES Elevation of Privilege via Buffer Overflow
A local attacker can elevate privileges via a buffer overflow in the Micro Focus Client for OES driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-7687?
CVE-2018-7687 is a high-severity memory corruption vulnerability in Micro Focus Client for Open Enterprise Server, published on 21 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2018-7687?
It affects 1 product.
Products include Microfocus Client.
How do I fix CVE-2018-7687?
No fix has been published for CVE-2018-7687 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-7687 being exploited?
There is no known exploitation of CVE-2018-7687 in the wild and no public exploit code.
Sources
Also known as GHSA-pvgw-3j5v-w2q9.