Revive Adserver up to 4.2.0 Password Reset Token PasswordRecovery.php generateRecoveryId improper authentication

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CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Revive Adserver up to 4.2.0 (Advertising Software). This issue affects the function generateRecoveryId in the library lib/OA/Dal/PasswordRecovery.php of the component Password Reset Token Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. Using CWE to declare the problem leads to CWE-287. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Revive Adserver before 4.2.1. In lib/OA/Dal/PasswordRecovery.php, the function generateRecoveryId() uses an insecure way to generate a password reset token. The token relies on the PHP uniqid function and consequently depends only on the current server time, which is often visible in an HTTP Date header.

The weakness was shared 05/28/2019. The identification of this vulnerability is CVE-2019-12396 since 05/28/2019. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.2.1 eliminates this vulnerability.

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VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Adserver 4.2.1

Timelineinfoedit

05/28/2019 🔍
05/28/2019 +0 days 🔍
05/28/2019 +0 days 🔍
06/16/2020 +385 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-12396 (🔍)

Entryinfoedit

Created: 05/28/2019 05:23 PM
Updated: 06/16/2020 06:29 PM
Changes: (4) software_type source_cve_assigned source_cve_nvd_summary vulnerability_cwe
Complete: 🔍

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