Vulnerability in Kaltura Server
CVE-2017-14143
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.774 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.774 · newest: 0.774 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9 (Third Party Advisory)
- www.exploit-db.com/exploits/43028/ (exploit)
- www.exploit-db.com/exploits/43876/ (exploit)
- telekomsecurity.github.io/assets/advisories/20170912_kaltura-advisory.txt (Exploit, Third Party Advisory)
- www.securityfocus.com/bid/100976 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-14143?
- CVE-2017-14143 is a critical-severity vulnerability in Kaltura Server, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2017-09-19.
- How severe is CVE-2017-14143?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-14143 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.