Security restrictions bypass in Apache Tomcat Native Connector - CVE-2017-15698

 

Security restrictions bypass in Apache Tomcat Native Connector - CVE-2017-15698

Published: February 27, 2018


Vulnerability identifier: #VU10729
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15698
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Tomcat Native Connector

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper handling of fields longer than 127 bytes when parsing the AIA-Extension field of a client certificate. A remote attacker can supply a client certificate with a specially crafted AIA-Extension field, trigger a parser error and cause the OCSP check to be skipped.

How to mitigate CVE-2017-15698

Update to version 1.2.16.

Sources