CVE-2019-13343 — Butor Portal before 1

Butor Portal before 1.0.27 is affected by a Path Traversal vulnerability leading to a pre-authentication arbitrary file download. Effectively, a remote anonymous user can download any file on servers running Butor Portal. WhiteLabelingServlet is responsible for this vulnerability

01What is this vulnerability?

Butor Portal before 1.0.27 is affected by a Path Traversal vulnerability leading to a pre-authentication arbitrary file download. Effectively, a remote anonymous user can download any file on servers running Butor Portal. WhiteLabelingServlet is responsible for this vulnerability. It does not properly sanitize user input on the theme t parameter before reusing it in a path. This path is then used…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-10-02T15:49:29.000Z
• Last modified: 2024-08-04T23:49:24.668Z

09References

• bitbucket.org — https://bitbucket.org/account/user/butor-team/projects/PROJ
• bitbucket.org — https://bitbucket.org/butor-team/portal/commits/cd7055d33e194fcf530100ee1d8d13aa…
• bitbucket.org — https://bitbucket.org/butor-team/portal/src/cd7055d33e194fcf530100ee1d8d13aa9cde…
• www.gosecure.net — https://www.gosecure.net/blog/2019/09/30/butor-portal-arbitrary-file-download-vu…
• bitbucket.org — https://bitbucket.org/butor-team/portal/commits/all