Description

The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.

Remediation

References

CVE-2015-6835

Related Vulnerabilities

Jboss EAP Permissions, Privileges, and Access Controls Vulnerability (CVE-2013-2165)

ASP.NET MVC Improper Input Validation Vulnerability (CVE-2017-0256)

Oracle JRE CVE-2018-2825 Vulnerability (CVE-2018-2825)

WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2015-5734)

WordPress Plugin FileBird-WordPress Media Library Folders & File Manager Cross-Site Scripting (2.4)

Severity

Critical

Classification

CVE-2015-6835 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities