CVE-2019-17563 Information

Description

When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but erring on the side of caution this issue has been treated as a security vulnerability.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.html https://lists.apache.org/thread.html/8b4c1db8300117b28a0f3f743c0b9e3f964687a690cdf9662a884bbd403Cannounce.tomcat.apache.org3E https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d@3Cdev.tomcat.apache.org3E https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0@3Cdev.tomcat.apache.org3E https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9@3Cdev.tomcat.apache.org3E https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c@3Cdev.tomcat.apache.org3E https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a@3Cdev.tomcat.apache.org3E https://lists.apache.org/thread.html/reb9a66f176df29b9a832caa95ebd9ffa3284e8f4922ec4fa3ad8eb2e@3Cissues.cxf.apache.org3E https://lists.debian.org/debian-lts-announce/2020/01/msg00024.html https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html https://seclists.org/bugtraq/2019/Dec/43 https://security.gentoo.org/glsa/202003-43 https://security.netapp.com/advisory/ntap-20200107-0001/ https://usn.ubuntu.com/4251-1/ https://www.debian.org/security/2019/dsa-4596 https://www.debian.org/security/2020/dsa-4680 https://www.oracle.com/security-alerts/cpuapr2020.html https://www.oracle.com/security-alerts/cpujul2020.html

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5