Multiple serious vulnerabilities have been found in Apache Tomcat. Malicious users can exploit these vulnerabilities to execute arbitrary code, bypass security restrictions and obtain sensitive information.

Below is a complete list of vulnerabilities:

1. A vulnerability related to VirtualDirContext can be exploited remotely via specially designed request possibly to bypass security restrictions and/or obtain sensitive information;
2. An unspecified vulnerability can be exploited remotely via specially designed request possibly to execute arbitrary code.

Technical details

Vulnerability (2) affects Windows systems with HTTP PUTs enabled only.

NB: This vulnerability does not have any public CVSS rating, so rating can be changed by the time.

Apache Tomcat, versions from 7.0.0 to 7.0.80

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Upgrade to Apache Tomcat 7.0.81

Apache Tomcat 7.x Security Vulnerabilities

CVE-2017-12615
CVE-2017-12616