CVE-2017-10687 Denial of service in n/a

High 7.5 Published Updated

A heap-based buffer over-read in LibSass allows remote attackers to cause a denial of service via crafted input.

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-2017-10687?

CVE-2017-10687 is a high-severity denial of service vulnerability in n/a, published on 29 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In LibSass 3.4.5, there is a heap-based buffer over-read in the function json_mkstream() in sass_context.cpp. A crafted input will lead to a remote denial of service attack.

Weakness: CWE-125

Which versions are affected by CVE-2017-10687?

It affects 1 product.

Products include Libsass Libsass.

How do I fix CVE-2017-10687?

No fix has been published for CVE-2017-10687 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-2017-10687 being exploited?

There is no known exploitation of CVE-2017-10687 in the wild and no public exploit code.

Sources

Also known as GHSA-2qpq-rm7r-m2pp, UBUNTU-CVE-2017-10687.

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