Improper Input Validation Affecting wordpress package, versions <5.5.3+dfsg1-1
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-WORDPRESS-1027283
- published 31 Oct 2020
- disclosed 2 Nov 2020
Introduced: 31 Oct 2020
CVE-2020-28037 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
wordpress
to version 5.5.3+dfsg1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wordpress
package and not the wordpress
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
is_blog_installed in wp-includes/functions.php in WordPress before 5.5.2 improperly determines whether WordPress is already installed, which might allow an attacker to perform a new installation, leading to remote code execution (as well as a denial of service for the old installation).
References
- https://security-tracker.debian.org/tracker/CVE-2020-28037
- https://www.debian.org/security/2020/dsa-4784
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/
- https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
- https://wpscan.com/vulnerability/10450
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/