Bug 1894982 (CVE-2020-28039) - CVE-2020-28039 wordpress: protected meta that could lead to arbitrary file deletion
Summary: CVE-2020-28039 wordpress: protected meta that could lead to arbitrary file de...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-28039
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1894983 1894984
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-11-05 14:18 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-11-05 14:21 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2020-11-05 14:21:30 UTC
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Description Guilherme de Almeida Suckevicz 2020-11-05 14:18:39 UTC 
is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whether a meta key is considered protected.

References:
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
https://wpscan.com/vulnerability/10452

Upstream patch:
https://github.com/WordPress/wordpress-develop/commit/d5ddd6d4be1bc9fd16b7796842e6fb26315705ad
Comment 1 Guilherme de Almeida Suckevicz 2020-11-05 14:18:58 UTC 
Created wordpress tracking bugs for this issue:

Affects: epel-all [bug 1894984]
Affects: fedora-all [bug 1894983]
Comment 2 Product Security DevOps Team 2020-11-05 14:21:30 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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