CVE-2018-10749 Memory corruption in n/a

High 8.8 Published Updated

An authenticated user can trigger memory corruption in the Diagnostics component to execute arbitrary code on D-Link DSL-3782 routers.

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

What is CVE-2018-10749?

CVE-2018-10749 is a high-severity memory corruption vulnerability in n/a, published on 4 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a 'commit' parameter to the '/userfs/bin/tcapi' binary (in the Diagnostics component) using the 'commit <node_name>' function and cause memory corruption. Furthermore, it is possible to redirect the flow of the program and execute arbitrary code.

Weakness: CWE-119

Which versions are affected by CVE-2018-10749?

It affects 1 product.

Products include D-Link Dsl-3782 Firmware.

How do I fix CVE-2018-10749?

No fix has been published for CVE-2018-10749 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-2018-10749 being exploited?

There is no known exploitation of CVE-2018-10749 in the wild and no public exploit code.

Sources

Also known as GHSA-fr8g-qmx5-jvhc.

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