CVE-2014-8684 — Vulnerability in kohana/core — CVE Details
CRITICAL
CodeIgniter and Kohana vulnerable to PHP Object Injection
Published May 17, 2022Updated November 29, 2024Source: osv
Summary
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.
Advisory Timeline
- First published May 17, 2022 (1609 days ago).
- Last revised November 29, 2024 — 927 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
Composer
Update kohana/core to 3.3.3 or latercomposer require "kohana/core:^3.3.3"
Composer
Update codeigniter/framework to 3.0.0 or latercomposer require "codeigniter/framework:^3.0.0"
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (2)
Affects 1 ecosystem: packagist (2).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| kohana/core | packagist | v3.2.3, v3.3.1, v3.3.2 | 3.3.3 |
| codeigniter/framework | packagist | 3.0rc, 3.0rc2, 3.0rc3 | 3.0.0 |
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://nvd.nist.gov/vuln/detail/CVE-2014-8684ADVISORY
- https://github.com/kohana/core/pull/492WEB
- https://github.com/kohana/core/commit/66b409a6da2960130888989534ff1799532b8f32WEB
- https://github.com/bcit-ci/CodeIgniter/blob/2.2.6/system/libraries/Session.php#L159WEB
- https://web.archive.org/web/20140802041151/https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injectionWEB
- https://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.htmlWEB
- https://seclists.org/fulldisclosure/2014/May/54WEB
Frequently Asked Questions
- What is CVE-2014-8684?
- CodeIgniter and Kohana vulnerable to PHP Object Injection This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
- How do I check if my project is affected by CVE-2014-8684?
- CVE-2014-8684 affects kohana/core and codeigniter/framework. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2014-8684 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.8
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-w9ph-q4h9-rwq6
Related CVEs
- CVE-2026-107845CRITICAL
Contao: Cross-site scripting in the comments bundle
- CVE-2018-12071CRITICAL
CodeIgniter Session Fixation Vulnerability
- CVE-2026-92161CRITICAL
FriendsOfFlarum OAuth: Unauthenticated account takeover via unverified email trust in Discord OAuth provider
Check if you're affected
Scan your dependencies to see if this vulnerability affects your projects.
Scan Your Dependencies