CVE-2017-11587 Path traversal in n/a

High 7.5 Published Updated

Attackers can exploit directory traversal in the download configuration to read arbitrary files from Cisco ADSL residential gateways.

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-2017-11587?

CVE-2017-11587 is a high-severity path traversal vulnerability in n/a, published on 24 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential Gateway DDR2201v1-NA-AnnexA-FCC-V00.00.03.28.3 devices, there is directory traversal in the filename parameter to the /download.conf URI.

Weakness: CWE-22

Which versions are affected by CVE-2017-11587?

It affects 1 product.

Products include Cisco Residential Gateway Firmware.

How do I fix CVE-2017-11587?

No fix has been published for CVE-2017-11587 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-11587 being exploited?

There is no known exploitation of CVE-2017-11587 in the wild and no public exploit code.

Sources

Also known as GHSA-w2xx-4cpj-crmx.

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