GRYPHON Mojolicious::Plugin::CSRF 1.03 on Perl CSRF Token rand weak prng

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GRYPHON Mojolicious::Plugin::CSRF 1.03 on Perl. This issue affects the function rand of the component CSRF Token Handler. Performing a manipulation results in weak prng. This vulnerability is reported as CVE-2025-40915. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in GRYPHON Mojolicious::Plugin::CSRF 1.03 on Perl. This affects the function rand of the component CSRF Token Handler. The manipulation with an unknown input leads to a weak prng vulnerability. CWE is classifying the issue as CWE-338. The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. This is going to have an impact on confidentiality. The summary by CVE is:

Mojolicious::Plugin::CSRF 1.03 for Perl uses a weak random number source for generating CSRF tokens. That version of the module generates tokens as an MD5 of the process id, the current time, and a single call to the built-in rand() function.

It is possible to read the advisory at metacpan.org. This vulnerability is uniquely identified as CVE-2025-40915 since 04/16/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak prng
CWE: CWE-338 / CWE-331 / CWE-330
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
06/11/2025 +56 days Advisory disclosed
06/11/2025 +0 days VulDB entry created
06/11/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: metacpan.org
Status: Not defined

CVE: CVE-2025-40915 (🔒)
GCVE (CVE): GCVE-0-2025-40915
GCVE (VulDB): GCVE-100-312327

Entryinfo

Created: 06/11/2025 20:42
Changes: 06/11/2025 20:42 (55)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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