CVE-2016-6312 Denial of service in n/a

Medium 6.5 Published Updated

Remote authenticated users can cause a denial of service via memory consumption in the mod_dontdothat component of Subversion's Apache module.

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-2016-6312?

CVE-2016-6312 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 14 Jul 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The mod_dontdothat component of the mod_dav_svn Apache module in Subversion as packaged in Red Hat Enterprise Linux 5.11 does not properly detect recursion during entity expansion, which allows remote authenticated users with access to the webdav repository to cause a denial of service (memory consumption and httpd crash). NOTE: Exists as a regression to CVE-2009-1955.

Weakness: CWE-400

Which versions are affected by CVE-2016-6312?

It affects 1 product.

Products include Redhat Enterprise Linux.

How do I fix CVE-2016-6312?

No fix has been published for CVE-2016-6312 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-2016-6312 being exploited?

There is no known exploitation of CVE-2016-6312 in the wild and no public exploit code.

All Redhat Enterprise Linux vulnerabilities

Sources

Also known as GHSA-75fh-5jm2-jr94.

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