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log4j & cloud Confluence?

Timo Hilbertz December 13, 2021

hi, since the official statement about log4j is pretty brief (not to say lame), i'm looking for answers here. The vulnerability has been disclosed 4 days ago and still Confluence does not give any update. Anyone here who can help? Is the Confluence Data Center Cloud version vulnerable or not?

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Daniel Eads
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
December 13, 2021

Hi all,

Daniel with Atlassian Support here to let you know our security team has finished its investigation. We have an official response statement here on Community, which you can access at this link.

More information can be found on our advisory page, as well as the previously-published FAQ:

Thanks,
Daniel Eads | Atlassian Support

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Timo Hilbertz December 13, 2021

sorry, my bad: i mixed up the Confluence terminologies. I mean the Confluence Cloud version, not the Data Center version.

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David Rodman December 13, 2021

I checked our log4j version and it was 1.x  Since the vulnerability is in 2.x we are not affected.

colin mcdermott December 16, 2021

Yes this is true. 

Yet what this means is that Atlassian needs to upgrade to log4j version2.16 ASAP. 

Version 1 is 2015. 

I.e. https://www.cvedetails.com/cve/CVE-2019-17571/

 

Also check if the org.apache.log4j.JMSAppender module is enabled, as per the articles posted by others. Then you are still vulnerable even with version 1(should not apply to cloud instances, only server/DC). 

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Alfredo Negrete December 13, 2021

It depends on the version you have and version of the Log4j files you're using...check this site: 

https://confluence.atlassian.com/kb/faq-for-cve-2021-44228-1103069406.html

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