CVE-2017-10896 Cross-site scripting in BBR-4HG

Medium 6.1 Published Updated

Attackers can inject arbitrary web script or HTML into Buffalo broadband routers, potentially compromising user sessions or device integrity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-10896?

CVE-2017-10896 is a medium-severity cross-site scripting vulnerability in BUFFALO INC. BBR-4HG, published on 8 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting vulnerability in Buffalo BBR-4HG and and BBR-4MG broadband routers with firmware 1.00 to 1.48 and 2.00 to 2.07 allows an attacker to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2017-10896?

It affects 2 products.

Products include Buffalo Bbr-4hg Firmware, Buffalo Bbr-4mg Firmware.

How do I fix CVE-2017-10896?

No fix has been published for CVE-2017-10896 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2017-10896 being exploited?

There is no known exploitation of CVE-2017-10896 in the wild and no public exploit code.

Sources

Also known as GHSA-hc6x-qrj5-34w2.

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