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Apache Tomcat - Remote Code Execution (CVE-2017-12617)

Severity
CVSSv3 Score
8.1
Vulnerability description

Apache Tomcat is affected by a Remote Code Execution vulnerability. The root cause of this vulnerability consists in using a bad servlet context configuration with readonly=false and the PUT method allowed. Therefore, an unauthenticated remote attacker can use PUT method to upload JSP files on the server and execute them.

Risk description

The risk exists that a remote unauthenticated attacker can fully compromise the server in order to steal confidential information, install ransomware, or pivot to the internal network.

Exploit capabilities

Sniper can gain unauthenticated Remote Code Execution on the target system and extract multiple artefacts as evidence.

Recommendation

Upgrade the Apache Struts to the latest version or to a version higher than: 9.0.0, 8.5.22, 8.0.46, 7.0.81.

Codename
Not available
Detectable with
Network Scanner
Exploitable with Sniper
Yes
Vuln date
Oct 2017
Published at
Updated at
Software Type
Web server
Vendor
Apache
Product
Tomcat