What’s Vulnerable › Vulnerabilities

CVE-2017-14143

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 77.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-19 · updated 2026-06-17
• Weakness: CWE-798

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.

Affected products

• Kaltura Server: through mercury-13.1.0

References

• http://www.securityfocus.com/bid/100976
• https://github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9#diff-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/
• http://www.securityfocus.com/bid/100976
• https://github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9#diff-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/

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