SB2023042119 - Amazon Linux AMI update for tomcat8

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Main Vulnerability Database SB2023042119

SB2023042119 - Amazon Linux AMI update for tomcat8

Published: April 21, 2023

Security Bulletin ID SB2023042119
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2021-43980)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to incorrect implementation of blocking reads and writes. A remote attacker can trigger a concurrency bug and force client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.


2) Sensitive cookie in HTTPS session without Secure attribute (CVE-ID: CVE-2023-28708)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to Apache Tomcat does not set the "Secure" attribute for the JSESSIONID session cookie when using the RemoteIpFilter with requests received from a reverse proxy via HTTP that include the X-Forwarded-Proto header set to https. A remote attacker can force the application to transmit cookie via an insecure channel and intercept it.


Remediation

Install update from vendor's website.

References