OSV-2017-48 Heap-buffer-overflow in Operation_addNode_finish

Not scored Published

A heap-buffer-overflow in the OPC UA library allows attackers to cause denial of service or potentially execute code via crafted service operations.

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

What is OSV-2017-48?

OSV-2017-48 is a memory corruption vulnerability in open62541, published on 13 Jan 2021.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4183

Crash type: Heap-buffer-overflow READ 8
Crash state:
Operation_addNode_finish
Service_AddNode
UA_Server_processServiceOperations

Which versions are affected by OSV-2017-48?

1 open source package ship an affected version, including open62541.

PackageAffectedFixed in
open62541 OSS-FuzzAll versionsNone

How do I fix OSV-2017-48?

No fix has been published for OSV-2017-48 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 OSV-2017-48 being exploited?

There is no known exploitation of OSV-2017-48 in the wild and no public exploit code.

Sources

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