DBOOK WWW::OAuth up to 1.000 on Perl rand weak prng

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in DBOOK WWW::OAuth up to 1.000 on Perl. The impacted element is the function rand. Executing a manipulation can lead to weak prng. This vulnerability is registered as CVE-2025-40905. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in DBOOK WWW::OAuth up to 1.000 on Perl. This vulnerability affects the function rand. The manipulation with an unknown input leads to a weak prng vulnerability. The CWE definition for the vulnerability is CWE-338. The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. As an impact it is known to affect confidentiality. CVE summarizes:

WWW::OAuth 1.000 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.

The weakness was published by Robert Rothenberg. The advisory is shared for download at perldoc.perl.org. This vulnerability was named CVE-2025-40905 since 04/16/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.001.

The vulnerability scanner Nessus provides a plugin with the ID 298962 (Linux Distros Unpatched Vulnerability : CVE-2025-40905), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at CNNVD (CNNVD-202602-2317) and Tenable (298962). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

ADP CISA Base Score: 7.3
ADP CISA Vector: 🔒

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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Nessus ID: 298962
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-40905

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
02/13/2026 +303 days Advisory disclosed
02/13/2026 +0 days VulDB entry created
03/11/2026 +26 days VulDB entry last update

Sourcesinfo

Advisory: perldoc.perl.org
Researcher: Robert Rothenberg
Status: Not defined

CVE: CVE-2025-40905 (🔒)
GCVE (CVE): GCVE-0-2025-40905
GCVE (VulDB): GCVE-100-345880
CNNVD: CNNVD-202602-2317 - MetaCPAN WWW::OAuth 安全漏洞

Entryinfo

Created: 02/13/2026 08:06
Updated: 03/11/2026 02:17
Changes: 02/13/2026 08:06 (55), 02/14/2026 20:31 (6), 02/14/2026 20:54 (2), 02/15/2026 14:54 (1), 02/16/2026 19:36 (1), 02/17/2026 15:14 (1), 02/18/2026 05:05 (11), 02/18/2026 20:37 (1), 02/19/2026 15:53 (1), 02/20/2026 16:14 (1), 02/21/2026 15:02 (1), 02/22/2026 19:56 (1), 02/23/2026 15:19 (1), 02/25/2026 00:57 (1), 02/25/2026 16:27 (1), 02/26/2026 15:36 (1), 03/11/2026 02:17 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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