KLA11106 Multiple vulnerabilities in Apache Tomcat

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.

Original advisories

Apache Tomcat 7.x Security Vulnerabilities

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Apache-Tomcat

CVE list

CVE-2017-12615 critical

CVE-2017-12616 critical

Solution

Update to the latest version

Upgrade to Apache Tomcat 7.0.81

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Apache Tomcat, versions from 7.0.0 to 7.0.80