canonical ubuntu-linux CVE-2016-3718 vulnerability in Canonical and Other Products
Published on May 5, 2016

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The (1) HTTP and (2) FTP coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted image.

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Known Exploited Vulnerability

This ImageMagick SSRF Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. The (1) HTTP and (2) FTP coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted image.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2016-3718 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

What is a SSRF Vulnerability?

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file://), or use other protocols such as gopher:// or tftp://, which may provide greater control over the contents of requests.

CVE-2016-3718 has been classified to as a SSRF vulnerability or weakness.


Products Associated with CVE-2016-3718

You can be notified by stack.watch whenever vulnerabilities like CVE-2016-3718 are published in these products:

Canonical Ubuntu Linux
 
ImageMagick
 
Red Hat Enterprise Linux Server Supplementary Eus
 
Red Hat Enterprise Linux Desktop
 
Red Hat Enterprise Linux Server Aus
 
Red Hat Enterprise Linux Workstation
 
Red Hat Enterprise Linux Server
 
Red Hat Enterprise Linux Hpc Node
 
Red Hat Enterprise Linux Server Eus
 
Red Hat Enterprise Linux Hpc Node Eus
 
Red Hat Enterprise Linux Server Tus
 
Red Hat Enterprise Linux Eus
 
Red Hat Enterprise Linux Power Big Endian Eus
 
Red Hat Enterprise Linux Server From Rhui
 
Red Hat Enterprise Linux Power Little Endian
 
Red Hat Enterprise Linux Power Big Endian
 
Red Hat Enterprise Linux Ibm Z Systems
 
Red Hat Enterprise Linux Power Little Endian Eus
 
Red Hat Enterprise Linux Ibm Z Systems Eus
 
Oracle Solaris
 
Oracle Linux
 
Suse Linux Enterprise Server
 
Suse Linux Enterprise Debuginfo
 
Suse Openstack Cloud
 
Suse Manager Proxy
 
Suse Linux Enterprise Software Development Kit
 
Suse Manager
 
Suse Linux Enterprise Workstation Extension
 
Suse Linux Enterprise Desktop
 
OpenSuse Leap
 
OpenSuse
 

What versions are vulnerable to CVE-2016-3718?