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Atlassian Expects Confluence App Exploitation After Hardcoded Password Leak

By Ionut Arghire on July 25, 2022

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Atlassian has warned prospects {that a} vulnerability in Questions for Confluence will doubtless be utilized in assaults after somebody made public a chunk of data wanted to use a not too long ago addressed vulnerability.

A information sharing software, Questions for Confluence helps Confluence customers shortly entry info or share it with others, in addition to to attach with specialists when wanted. The appliance is a paid, optionally available add-on and isn’t put in by default on Confluence.

Final week, Atlassian introduced patches for a crucial vulnerability within the software that impacts the Confluence Server and Knowledge Heart merchandise.

Tracked as CVE-2022-26138, the safety subject exists as a result of, when enabled on the impacted merchandise, Questions for Confluence creates a consumer account with the username disabledsystemuser and a hardcoded password.

As a result of the consumer account is added to the confluence-users group, it has entry to non-restricted pages inside Confluence.

Late final week, Atlassian up to date its advisory to warn that somebody has made the hardcoded password public, and to supply further info on find out how to resolve the bug and search for indicators of compromise.

“An exterior social gathering has found and publicly disclosed the hardcoded password on Twitter. You will need to remediate this vulnerability on affected techniques instantly,” Atlassian’s up to date advisory reads.

“This subject is more likely to be exploited within the wild now that the hardcoded password is publicly identified. This vulnerability ought to be remediated on affected techniques instantly,” the advisory continues.

In response to Atlassian, Questions for Confluence at the moment has over 8,000 installations. Methods working Questions for Confluence 2.7.34, 2.7.35, or 3.0.2 are impacted, even when the applying has been eliminated.

“Uninstalling the Questions for Confluence app doesn’t remediate this vulnerability. The disabledsystemuser account doesn’t routinely get eliminated after the app has been uninstalled,” Atlassian warns.

The vulnerability was resolved with the discharge of Questions for Confluence variations 2.7.38 (suitable with Confluence 6.13.18 via 7.16.2) and three.0.5 (suitable with Confluence 7.16.Three and later), which not include the hardcoded password and likewise take away the disabledsystemuser account if it was beforehand created.

Nonetheless, Atlassian warns that, if Confluence is configured to make use of a read-only exterior listing, customers have to manually seek for the disabledsystemuser consumer account and delete or disable it.

“We suggest updating the Questions for Confluence app which can take away this consumer from the system. If this is not attainable for any cause, you need to disable or delete the consumer,” Atlassian notes in an FAQ for CVE-2022-26138.

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