CVE-2014-8684

Description

CodeIgniter before 3.0 and Kohana 3.2.3 and earlier and 3.3.x through 3.3.2 make it easier for remote attackers to spoof session cookies and consequently conduct PHP object injection attacks by leveraging use of standard string comparison operators to compare cryptographic hashes.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 44.84% Top 5%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory github.com Third-Party Advisory arciszewski.me
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injection third party advisory
http://seclists.org/fulldisclosure/2014/May/54 third party advisory mailing list
https://github.com/kohana/core/pull/492 third party advisory
http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2014-8684?
CVE-2014-8684 has been scored as a critical severity vulnerability.
How to fix CVE-2014-8684?
To fix CVE-2014-8684, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-8684 being actively exploited in the wild?
It is possible that CVE-2014-8684 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~45% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.