CVE-2015-5730

medium

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.

References

https://wpvulndb.com/vulnerabilities/8130

https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/

https://core.trac.wordpress.org/changeset/33536

https://core.trac.wordpress.org/changeset/33535

https://codex.wordpress.org/Version_4.2.4

http://www.securitytracker.com/id/1033178

http://www.securityfocus.com/bid/76160

http://www.debian.org/security/2015/dsa-3332

http://openwall.com/lists/oss-security/2015/08/04/7

Details

Source: Mitre, NVD

Published: 2015-11-09

Updated: 2017-09-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: Medium