CVE-2011-4191 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code or cause denial of service in Novell NetWare via a stack-based buffer overflow in the NFS service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2011-4191?

CVE-2011-4191 is a high-severity memory corruption vulnerability in Novell Netware, published on 30 Nov 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based buffer overflow in the xdrDecodeString function in XNFS.NLM in Novell NetWare 6.5 SP8 allows remote attackers to execute arbitrary code or cause a denial of service (abend or NFS outage) via long packets.

Weakness: CWE-119

Which versions are affected by CVE-2011-4191?

It affects 1 product.

Products include Novell Netware.

How do I fix CVE-2011-4191?

No fix has been published for CVE-2011-4191 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-2011-4191 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4191 exists.

Public exploit code: 3 Exploit-DB entries.

All Novell Netware vulnerabilities

Sources

Also known as GHSA-crh3-h6gq-8h8c.

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