Remote code execution in Apache Tomcat

Published: 2019-04-11 12:17:41 | Updated: 2019-05-30
Severity High
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2019-0232
5.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software Apache Tomcat
Vulnerable software versions Apache Tomcat 9.0.16
Apache Tomcat 9.0.14
Apache Tomcat 9.0.13

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Vendor URL Apache Foundation

Security Advisory

UPDATED: 22.04.2019
Added fixed version to the advisory. Advisory status changed to Patched.
UPDATED: 30.05.2019
Added vulnerability #2.

1) OS Command Injection


The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to an input validation error within the CGI Servlet when passing arguments from JRE to the Windows environment. A remote attacker can send a specially crafted request to the CGI Servlet, inject and execute arbitrary OS commands on the system with Apache Tomcat privileges.

Successful exploitation of the vulnerability requires that Apache Tomcat is installed on Windows operating system with enabled option “enableCmdLineArguments” (CGI Servlet and “enableCmdLineArguments” option are disabled by default).


Install update from vendor's website.

External links

2) Cross-site scripting


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within SSI printenv command, when parsing URI. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.




Install updates from vendor's website.

External links

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