Amon2::Plugin::Web::CSRFDefender versions from 7.00 through 7.03 for Perl generate an insecure session id.
The generate_session_id function will attempt to read bytes from the /dev/urandom device, but if that is unavailable then it generates bytes using SHA-1 hash seeded with the built-in rand() function, the PID, and the high resolution epoch time. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage.
Amon2::Plugin::Web::CSRFDefender versions before 7.00 were part of Amon2, which was vulnerable to insecure session ids due to CVE-2025-15604.
Note that the author has deprecated this module.
References
Configurations
Configuration 1 (hide)
|
History
23 Apr 2026, 15:03
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://metacpan.org/release/TOKUHIROM/Amon2-Plugin-Web-CSRFDefender-7.03/source/lib/Amon2/Plugin/Web/CSRFDefender/Random.pm - Product | |
| References | () https://metacpan.org/release/TOKUHIROM/Amon2-Plugin-Web-CSRFDefender-7.04/changes - Release Notes | |
| References | () https://www.cve.org/CVERecord?id=CVE-2025-15604 - Third Party Advisory | |
| CPE | cpe:2.3:a:tokuhirom:amon2\:\:plugin\:\:web\:\:csrfdefender:*:*:*:*:*:perl:*:* | |
| First Time |
Tokuhirom
Tokuhirom amon2\ |
08 Apr 2026, 17:21
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.3 |
08 Apr 2026, 06:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-08 06:16
Updated : 2026-04-23 15:03
NVD link : CVE-2026-5082
Mitre link : CVE-2026-5082
CVE.ORG link : CVE-2026-5082
JSON object : View
Products Affected
tokuhirom
- amon2\