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CVE-2015-5730

Date: November 9, 2015

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.

Language: PHP

Severity Score

Related Resources (12)

http://www.securityfocus.com/bid/76160
http://www.debian.org/security/2015/dsa-3332
https://nvd.nist.gov/vuln/detail/CVE-2015-5730
http://www.securitytracker.com/id/1033178
https://wpvulndb.com/vulnerabilities/8130
https://security-tracker.debian.org/tracker/CVE-2015-5730
https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/
https://codex.wordpress.org/Version_4.2.4
http://openwall.com/lists/oss-security/2015/08/04/7
https://core.trac.wordpress.org/changeset/33536
https://core.trac.wordpress.org/changeset/33535
https://www.mend.io/vulnerability-database/CVE-2015-5730

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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