Apache Struts Vulnerability Exploited in the Wild

  • 9 March 2017
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By Eduard Kovacs on March 09, 2017
 
A high severity remote code execution (RCE) vulnerability affecting the Apache Struts 2 framework has been exploited in the wild, warns Cisco’s Talos intelligence and research group.

The vulnerability, tracked as CVE-2017-5638, can be triggered when performing file uploads with the Jakarta Multipart parser. The security hole, caused due to improper handling of the Content-Type header, allows a remote, unauthenticated attacker to execute OS commands on the targeted system.

The flaw affects Struts 2.3.5 through 2.3.31 and Struts 2.5 through 2.5.10, and it was addressed on March 6 with the release of versions 2.3.32 and 2.5.10.1.
 
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By Michael Mimoso March 10, 2017
 
                                         


 
Malicious traffic stemming from exploits against the Apache Struts 2 vulnerability disclosed and patched this week has tapered off since Wednesday.
 
Researchers at Rapid7 published an analysis of data collected from its honeypots situated on five major cloud providers and a number of private networks that shows a couple of dozen sources have targeted this vulnerability, but only two, originating in China, have actually sent malicious commands.
 
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