CVE-2017-14143 Information

Description

The getUserzoneCookie function in Kaltura before 13.2.0 uses a hardcoded cookie secret to validate cookie signatures which allows remote attackers to bypass an intended protection mechanism and consequently conduct PHP object injection attacks and execute arbitrary PHP code via a crafted userzone cookie.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/100976 https://github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9diff-0770640cc76112cbf77bebc604852682 https://telekomsecurity.github.io/assets/advisories/20170912_kaltura-advisory.txt https://www.exploit-db.com/exploits/43028/ https://www.exploit-db.com/exploits/43876/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8