Information disclosure in Apache Tomcat - CVE-2018-8037

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Main Vulnerability Database Vulnerabilities #VU13993

Information disclosure in Apache Tomcat - CVE-2018-8037

Published: July 24, 2018 / Updated: July 25, 2018


Vulnerability identifier: #VU13993
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-2018-8037
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper handling of connection closures by the non-blocking I/O (NIO) and NIO2 connectors. A remote unauthenticated attacker can send a specially crafted request that submits malicious input, trigger bug in the tracking of connection closures, reuse user sessions in a new connection and access arbitrary data.


Affected software

Apache Tomcat
JBoss Web Server
Amazon Linux AMI
Debian Linux
Red Hat Enterprise Linux for x86_64
Fedora
Opensuse
Dell Support Assist Enterprise
tomcat

How to mitigate CVE-2018-8037

Update to version 9.0.10.

Apache Tomcat - update to 9.0.10
Dell Support Assist Enterprise - update to 4.00.06.00
tomcat - addressed in versions 7.0.90-1.el6, 8.5.32-1.fc28

External References

Related Security Bulletins