CVE-2023-49262 Buffer overflow vulnerability in Cookie authentication field

Critical 9.8 Published Updated

Attackers can bypass authentication by overflowing the Cookie authentication field in Hongdian H8951-4G-ESP devices with an active session.

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-2023-49262?

CVE-2023-49262 is a critical authentication bypass vulnerability in Hongdian H8951-4G-ESP, published on 12 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.

Weakness: CWE-287, CWE-190

Which versions are affected by CVE-2023-49262?

It affects 1 product.

Products include Hongdian H8951-4g-Esp Firmware.

How do I fix CVE-2023-49262?

No fix has been published for CVE-2023-49262 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-49262 being exploited?

There is no known exploitation of CVE-2023-49262 in the wild and no public exploit code.

Sources

Also known as GHSA-8p4h-69c2-3352.

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