CVE-2014-8684

critical

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.

References

Advisories

https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injection

https://github.com/kohana/core/pull/492

http://seclists.org/fulldisclosure/2014/May/54

http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html

Details

Source: Mitre, NVD

Published: 2017-09-19

Updated: 2026-05-13

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.71515