www.dotcms.com Open in urlscan Pro
185.180.12.68  Public Scan

Form analysis
1 forms found in the DOM

Name: searchForm — /search

<form id="searchForm" name="searchForm" action="/search" data-hs-cf-bound="true">
  <label for="search-input" class="sr-only">Site Search:</label>
  <input type="text" id="search-input" class="search-box" name="q" autocomplete="off" placeholder="Site Search">
  <input class="btn btn-lg btn-secondary btn-search" type="submit" value="Search" name="search">
</form>

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ISSUES » DIRECTORY TRAVERSAL WITH RCE

Issue: SI-67 Date: Dec 15, 2022, 11:15:00 AM Severity: Moderate Requires Admin
Access: Yes Fix Version: 22.12+, LTS 21.06.12+, LTS 22.03.4+ Credit: Christos -
Minas Mathas Description:

An authenticated directory traversal vulnerability in dotCMS API can lead to
RCE. A zip file at the "/api/integrity/_fixconflictsfromremote" endpoint is
accepted and extracted without performing path traversal check. This can be
exploited by sending a specially crafted zip file which contains directory
traversal characters in the file content names (/../../xyz.sh). This allows for
the contents to be extracted at an arbitrary path inside the system.

This vulnerability requires Admin privileges to exploit.



Mitigation:
 * Upgrade to one of the versions of dotCMS listed above:
   * 22.12
   * LTS 21.06.12
   * LTS 22.03.4
 * Use a WAF to prevent POSTs to the /api/integrity/_fixconflictsfromremote

References
 * https://security.snyk.io/research/zip-slip-vulnerability
 * https://www.dotcms.com/docs/latest/xss-prevention
 * CVE-2022-45783
 * The rest api endpoint method calls the method fixConflicts:
   https://github.com/dotCMS/core/blob/release-21.04/dotCMS/src/main/java/com/
   dotcms/rest/IntegrityResource.java#L835
   
 * The fixConflicts method calls the unzipFile method:
   https://github.com/dotCMS/core/blob/release-21.04/dotCMS/src/main/java/com/
   dotcms/integritycheckers/IntegrityUtil.java#L567
   
 * The unzipFile method unzips the file without the proper checks in place:
   https://github.com/dotCMS/core/blob/release-21.04/dotCMS/src/main/java/com/
   dotcms/integritycheckers/IntegrityUtil.java#L205

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