PT-2019-13278 · Butor · Butor Portal

Published 2019-10-02 · Updated 2019-10-09 · CVE-2019-13343

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

AC:L/AV:N/A:L/C:H/I:L/PR:N/S:C/UI:N

Name of the Vulnerable Software and Affected Versions Butor Portal versions prior to 1.0.27

Description The issue allows a remote anonymous user to download any file on servers running the affected software due to a Path Traversal vulnerability. This is caused by the WhiteLabelingServlet not properly sanitizing user input on the theme parameter before reusing it in a path. The path is then used without validation to fetch a file and return its raw content to the user via the "/wl?t=../../...&h=" endpoint followed by a filename.

Recommendations For versions prior to 1.0.27, update to version 1.0.27 or later to resolve the issue. As a temporary workaround, consider restricting access to the WhiteLabelingServlet or disabling the theme parameter in the /wl endpoint to minimize the risk of exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2019-13343

Affected Products

Butor Portal

References · 7

• 🔥 https://bitbucket.org/butor-team/portal/src/cd7055d33e194fcf530100ee1d8d13aa9cde230b/src/main/java/com/butor/portal/web/servlet/WhiteLabelingServlet.java?at=master · Exploit
• 🔥 https://gosecure.net/blog/2019/09/30/butor-portal-arbitrary-file-download-vulnerability-cve-2019-13343 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-13343 · Security Note
• https://osv.dev/vulnerability/CVE-2019-13343 · Vendor Advisory
• https://bitbucket.org/butor-team/portal/commits/cd7055d33e194fcf530100ee1d8d13aa9cde230b · Patch
• https://bitbucket.org/account/user/butor-team/projects/PROJ · Note
• https://bitbucket.org/butor-team/portal/commits/all · Note