CVE-2017-14979 Path traversal in n/a

High 7.5 Published Updated

Remote attackers can read arbitrary files by manipulating the s parameter in index.php due to unsafe character replacement in Gxlcms.

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-2017-14979?

CVE-2017-14979 is a high-severity path traversal vulnerability in n/a, published on 2 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Gxlcms uses an unsafe character-replacement approach in an attempt to restrict access, which allows remote attackers to read arbitrary files via modified pathnames in the s parameter to index.php, related to Lib/Admin/Action/TplAction.class.php and Lib/Admin/Common/function.php.

Which versions are affected by CVE-2017-14979?

It affects 1 product.

Products include Gxlcms Gxlcms.

How do I fix CVE-2017-14979?

No fix has been published for CVE-2017-14979 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-2017-14979 being exploited?

There is no known exploitation of CVE-2017-14979 in the wild and no public exploit code.

Sources

Also known as GHSA-8gc3-r22g-xgpq.

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