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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.
- https://www.exploit-db.com/exploits/43028/
- https://www.exploit-db.com/exploits/43876/
- https://github.com/ARPSyndicate/cvemon