CVE-2017-5493

Impact

wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://www.debian.org/security/2017/dsa-3779
• http://www.openwall.com/lists/oss-security/2017/01/14/6
• http://www.securityfocus.com/bid/95401
• http://www.securitytracker.com/id/1037591
• https://codex.wordpress.org/Version_4.7.1
• https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4
• https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
• https://wpvulndb.com/vulnerabilities/8721
• http://www.debian.org/security/2017/dsa-3779
• http://www.openwall.com/lists/oss-security/2017/01/14/6
• http://www.securityfocus.com/bid/95401
• http://www.securitytracker.com/id/1037591
• https://codex.wordpress.org/Version_4.7.1
• https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4
• https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
• https://wpvulndb.com/vulnerabilities/8721