Check Point Advisories

Atlassian Bitbucket Data Center Insecure Deserialization (CVE-2022-26133)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0305
Date Published:	21 Jun 2022
Severity:	Critical
Last Updated:	Tuesday 21 June, 2022
Source:
Industry Reference:	CVE-2022-26133
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Atlassian Bitbucket Data Center versions 5.14.0 and later prior to 7.6.14 Atlassian Bitbucket Data Center versions 7.7.0 and later prior to 7.17.6 Atlassian Bitbucket Data Center versions 7.18.0 and later prior to 7.18.4 Atlassian Bitbucket Data Center versions 7.19.0 and later prior to 7.19.4 Atlassian Bitbucket Data Center version 7.20.0
Vulnerability Description	A insecure deserialization vulnerability exists in Atlassian Bitbucket Data Center. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system via Java deserialization.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Atlassian Bitbucket Data Center Insecure Deserialization (CVE-2022-26133) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Atlassian Bitbucket Data Center Insecure Deserialization (CVE-2022-26133)