Vulnerability Description
The sanitize_widget_instance function in wp-includes/class-wp-customize-widgets.php in WordPress before 4.2.4 does not use a constant-time comparison for widgets, which allows remote attackers to conduct a timing side-channel attack by measuring the delay before inequality is calculated.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | <= 4.2.3 |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2015/08/04/7
- http://www.debian.org/security/2015/dsa-3332
- http://www.securityfocus.com/bid/76160
- http://www.securitytracker.com/id/1033178
- https://codex.wordpress.org/Version_4.2.4PatchVendor Advisory
- https://core.trac.wordpress.org/changeset/33535
- https://core.trac.wordpress.org/changeset/33536
- https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-relePatchVendor Advisory
- https://wpvulndb.com/vulnerabilities/8130
- http://openwall.com/lists/oss-security/2015/08/04/7
- http://www.debian.org/security/2015/dsa-3332
- http://www.securityfocus.com/bid/76160
- http://www.securitytracker.com/id/1033178
- https://codex.wordpress.org/Version_4.2.4PatchVendor Advisory
- https://core.trac.wordpress.org/changeset/33535
FAQ
What is CVE-2015-5730?
CVE-2015-5730 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The sanitize_widget_instance function in wp-includes/class-wp-customize-widgets.php in WordPress before 4.2.4 does not use a constant-time comparison for widgets, which allows remote attackers to cond...
How severe is CVE-2015-5730?
CVE-2015-5730 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5730?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress.