CVE-2023-34932 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause a Denial of Service on H3C Magic routers via a crafted POST request triggering a stack overflow.

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-2023-34932?

CVE-2023-34932 is a high-severity denial of service vulnerability in n/a, published on 28 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A stack overflow in the UpdateWanMode function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Weakness: CWE-787

Which versions are affected by CVE-2023-34932?

It affects 1 product.

Products include H3c Magic B1st Firmware.

How do I fix CVE-2023-34932?

No fix has been published for CVE-2023-34932 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-34932 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-34932 exists.

Sources

Also known as GHSA-8mjq-wrp3-cx6q.

Is CVE-2023-34932 in your software?

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