SB2020093022 - Red Hat Enterprise Linux 7 update for tomcat 

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Main Vulnerability Database SB2020093022

SB2020093022 - Red Hat Enterprise Linux 7 update for tomcat

Published: September 30, 2020

Security Bulletin ID SB2020093022
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Session Fixation (CVE-ID: CVE-2019-17563)

The vulnerability allows a remote attacker to perform a session fixation attack.

The vulnerability exists due to a race condition when FORM authentication is used in Apache Tomcat. A remote attacker can use a narrow window to perform a session fixation attack.


2) Infinite loop (CVE-ID: CVE-2020-13935)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when processing payload length in a WebSocket frame. A remote attacker can send a specially crafted request to the application, consume all available system resources and cause denial of service conditions.


Remediation

Install update from vendor's website.

References