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

Update to the latest version
Upgrade to Apache Tomcat 7.0.81

Apache Tomcat 7.x Security Vulnerabilities

CVE-2017-12616
CVE-2017-12615