technology

Hardcoded password in Confluence app has been leaked on Twitter

Hardcoded password in Confluence app has been leaked on Twitter

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What’s worse than a extensively used Web-connected enterprise app with a hardcoded password? Attempt mentioned enterprise app after the hardcoded password has been leaked to the world.

Atlassian on Wednesday revealed three crucial product vulnerabilities, together with CVE-2022-26138 stemming from a hardcoded password in Questions for Confluence, an app that enables customers to shortly obtain help for frequent questions involving Atlassian merchandise. The corporate warned the passcode was “trivial to acquire.”

The corporate mentioned that Questions for Confluence had 8,055 installations on the time of publication. When put in, the app creates a Confluence consumer account named disabledsystemuser, which is meant to assist admins transfer knowledge between the app and the Confluence Cloud service. The hardcoded password defending this account permits for viewing and modifying of all non-restricted pages inside Confluence.

“A distant, unauthenticated attacker with data of the hardcoded password may exploit this to log into Confluence and entry any pages the confluence-users group has entry to,” the corporate mentioned. “You will need to remediate this vulnerability on affected methods instantly.”

A day later, Atlassian was again to report that “an exterior celebration has found and publicly disclosed the hardcoded password on Twitter,” main the corporate to ratchet up its warnings.

“This difficulty is more likely to be exploited within the wild now that the hardcoded password is publicly recognized,” the up to date advisory learn. “This vulnerability ought to be remediated on affected methods instantly.”

The corporate warned that even when Confluence installations do not actively have the app put in, they might nonetheless be susceptible. Uninstalling the app would not mechanically remediate the vulnerability as a result of the disabledsystemuser account can nonetheless reside on the system.

To determine if a system is susceptible, Atlassian suggested Confluence customers to seek for accounts with the next info:

  • Person: disabledsystemuser
  • Username: disabledsystemuser
  • Electronic mail: dontdeletethisuser@e-mail.com

Atlassian supplied extra directions for finding such accounts right here. The vulnerability impacts Questions for Confluence variations 2.7.x and three.0.x. Atlassian supplied two methods for purchasers to repair the problem: disable or take away the “disabledsystemuser” account. The corporate has additionally revealed this checklist of solutions to continuously requested questions.

Confluence customers searching for exploitation proof can test the final authentication time for disabledsystemuser utilizing the directions right here. If the result’s null, the account exists on the system, however nobody has but signed in utilizing it. The instructions additionally present any latest login makes an attempt that have been profitable or unsuccessful.

“Now that the patches are out, one can count on patch diff and reversing engineering efforts to supply a public POC in a reasonably brief time,” Casey Ellis, founding father of vulnerability reporting service Bugcrowd, wrote in a direct message. “Atlassian retailers ought to get on to patching public-facing merchandise instantly, and people behind the firewall as shortly as attainable. The feedback within the advisory recommending in opposition to proxy filtering as mitigation recommend that there are a number of set off pathways.

The opposite two vulnerabilities Atlassian disclosed on Wednesday are additionally critical, affecting the next merchandise:

  • Bamboo Server and Knowledge Heart
  • Bitbucket Server and Knowledge Heart
  • Confluence Server and Knowledge Heart
  • Crowd Server and Knowledge Heart
  • Crucible
  • Fisheye
  • Jira Server and Knowledge Heart
  • Jira Service Administration Server and Knowledge Heart

Tracked as CVE-2022-26136 and CVE-2022-26137, these vulnerabilities make it attainable for distant, unauthenticated hackers to bypass Servlet Filters utilized by first- and third-party apps.

“The affect is dependent upon which filters are utilized by every app, and the way the filters are used,” the corporate mentioned. “Atlassian has launched updates that repair the basis reason behind this vulnerability however has not exhaustively enumerated all potential penalties of this vulnerability.”

Weak Confluence servers have lengthy been a favourite opening for hackers seeking to set up ransomware, cryptominers, and different types of malware. The vulnerabilities Atlassian disclosed this week are critical sufficient that admins ought to prioritize a radical overview of their methods, ideally earlier than the weekend begins.

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