Threat Signal Report

CISA Adds CVE-2022-36804 to the Known Exploited Vulnerabilities Catalog

description-logo Description

FortiGuard Labs is aware that the Cybersecurity & Infrastructure Security Agency (CISA) recently added CVE-2022-36804 (Atlassian Bitbucket Server and Data Center Command Injection Vulnerability) to their Known Exploited Vulnerabilities catalog. The catalog list vulnerabilities that are being actively exploited in the wild and require federal agencies to apply patches by the due date. Successfully exploiting CVE-2022-36804 allows an attacker to execute arbitrary commands.


Why is this Significant?

This is significant because the vulnerability is in widely used Bitbucket Server and Data Center and is being actively exploited in the wild. Successful exploitation allows a remote attacker to execute arbitrary commands.


The vulnerability is rated Critical by Atlassian, has a CVSS score of 9.9, and attack complexity is listed as low.


What is Bitbucket?

Bitbucket is a widely used repository management and collaboration tool that provides a code storage location for developers and enables them to manage, track and control their code.


When was CVE-2022-36804 Discovered?

The vulnerability was disclosed by Atlassian on August 24, 2022.


What is CVE-2022-36804?

CVE-2022-36804 is a critical command injection vulnerability that affects Atlassian's Bitbucket Server and Data Center. Successful exploitation of the vulnerability allows an attacker that has access to a publicly repository or has read access to a private repository to run arbitrary commands.


What Version of Bitbucket Server and Datacenter does the Vulnerability Affect?

The vulnerability affects the following versions of Bitbucket Server and Datacenter:

  • 7.6 prior to 7.6.17
  • 7.17.0 prior to 7.17.10
  • 7.21 prior to 7.21.4
  • 8.0 prior to 8.0.3
  • 8.1 prior to 8.1.3
  • 8.2 prior to 8.2.2
  • 8.3 prior to 8.3.1


Has the Vendor Released an Advisory?

Yes, Atlassian released an advisory on August 24, 2022.


Has the Vendor Released a Patch for CVE-2022-36804?

Yes, Atlassian released fixed versions on August 21, 2022.


What is the Status of Protection?

FortiGuard Labs has the following IPS protection in place for CVE-2022-36804:


Atlassian.Bitbucket.Server.CVE-2022-36804.Command.Injection (default action is set to "pass")


Any Suggested Mitigation?

Atlassian provided the mitigation information in the advisory. For details, see the Appendix for a link to "Bitbucket Server and Data Center Advisory 2022-08-24".


Definitions

Traffic Light Protocol

Color When Should it Be used? How may it be shared?

TLP: RED

Not for disclosure, restricted to participants only.
Sources may use TLP:RED when information cannot be effectively acted upon by additional parties, and could lead to impacts on a party's privacy, reputation, or operations if misused. Recipients may not share TLP:RED information with any parties outside of the specific exchange, meeting, or conversation in which it was originally disclosed. In the context of a meeting, for example, TLP:RED information is limited to those present at the meeting. In most circumstances, TLP:RED should be exchanged verbally or in person.

TLP: AMBER

Limited disclosure, restricted to participants’ organizations.
Sources may use TLP:AMBER when information requires support to be effectively acted upon, yet carries risks to privacy, reputation, or operations if shared outside of the organizations involved. Recipients may only share TLP:AMBER information with members of their own organization, and with clients or customers who need to know the information to protect themselves or prevent further harm. Sources are at liberty to specify additional intended limits of the sharing: these must be adhered to.

TLP: GREEN

Limited disclosure, restricted to the community.
Sources may use TLP:GREEN when information is useful for the awareness of all participating organizations as well as with peers within the broader community or sector. Recipients may share TLP:GREEN information with peers and partner organizations within their sector or community, but not via publicly accessible channels. Information in this category can be circulated widely within a particular community. TLP:GREEN information may not be released outside of the community.

TLP: WHITE

Disclosure is not limited.
Sources may use TLP:WHITE when information carries minimal or no foreseeable risk of misuse, in accordance with applicable rules and procedures for public release. Subject to standard copyright rules, TLP:WHITE information may be distributed without restriction.