Information disclosure in Apache Tomcat - CVE-2017-12616

Vulnerability identifier: #VU8543

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-12616

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists in the systems and resources using the VirtualDirContext due to input validation flaw. A remote attacker can send a specially crafted request to bypass security constraints and view JSP source code for resources on the target system served by the VirtualDirContext.

Successful exploitation of the vulnerability results in information disclosure.

Apache Tomcat
Arch Linux
SUSE Linux
Ubuntu
libtomcat7-java (Ubuntu package)
tomcat7 (Ubuntu package)
Tomcat

Update to version 7.0.81.

libtomcat7-java (Ubuntu package) - update to Ubuntu Pro
tomcat7 (Ubuntu package) - update to Ubuntu Pro
Tomcat - update to D.9.0.87.01

• http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.81

• Multiple vulnerabilities in Apache Tomcat
• Arch Linux update for tomcat7
• SUSE Linux update for tomcat
• HP-UX update for Tomcat
• Ubuntu update for tomcat7