SB2023112473 - Bamboo Data Center and Server update for Apache Tomcat

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Exposed dangerous method or function (CVE-ID: CVE-2023-42794)

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

The vulnerability exists due to Tomcat's internal fork of a Commons FileUpload included an unreleased, in progress refactoring that exposed a potential denial of service on Windows. A remote attacker can perform a denial of service attack by uploading multiple files to the server that are not removed.

2) Resource exhaustion (CVE-ID: CVE-2023-44487)

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

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://jira.atlassian.com/browse/BAM-25470
• https://jira.atlassian.com/browse/BAM-25469