CVE-2017-14143

Name: CVE-2017-14143
Creator: NVD / NIST
Published: 2017-09-19T15:29:01.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 75.50%

Last modified Jun 17, 2026

CVE-2017-14143 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 75.50% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

75.50%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Kaltura	Kaltura Server	<= mercury-13.1.0

References

http://www.securityfocus.com/bid/100976Third Party Advisory, VDB Entry
https://github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9#diff-0770640cc76112cbf77bebc604852682Third Party Advisory
https://telekomsecurity.github.io/assets/advisories/20170912_kaltura-advisory.txtExploit, Third Party Advisory
https://www.exploit-db.com/exploits/43028/
https://www.exploit-db.com/exploits/43876/
http://www.securityfocus.com/bid/100976Third Party Advisory, VDB Entry
https://github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9#diff-0770640cc76112cbf77bebc604852682Third Party Advisory
https://telekomsecurity.github.io/assets/advisories/20170912_kaltura-advisory.txtExploit, Third Party Advisory
https://www.exploit-db.com/exploits/43028/
https://www.exploit-db.com/exploits/43876/

Timeline

Published: Sep 19, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14143?

How severe is CVE-2017-14143?

Severity scoring for CVE-2017-14143 is pending analysis. The EPSS model estimates a 75.50% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14143?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14143?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST