Drupal up to 7.x-dev Random Number Generator mt_rand cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Drupal. This affects the function mt_rand of the component Random Number Generator. The manipulation results in cryptographic issue. This vulnerability is cataloged as CVE-2013-6386. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Drupal (Content Management System). Affected is the function mt_rand of the component Random Number Generator. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Drupal 6.x before 6.29 and 7.x before 7.24 uses the PHP mt_rand function to generate random numbers, which uses predictable seeds and allows remote attackers to predict security strings and bypass intended restrictions via a brute force attack.

The weakness was shared 11/20/2013 by David Stoline with Drupal Security Team as SA-CORE-2013-003 as not defined advisory (Website). The advisory is shared for download at drupal.org. This vulnerability is traded as CVE-2013-6386 since 11/04/2013. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 71098 (Debian DSA-2804-1 : drupal7 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12786 (Drupal Core Multiple Remote Vulnerabilities (SA-CORE-2013-003)).

Upgrading to version 7.24 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (89170), Tenable (71098), SecurityFocus (BID 63840†), OSVDB (100037†) and Secunia (SA55713†). The entries VDB-11238, VDB-11239, VDB-11240 and VDB-11241 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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: 71098
Nessus Name: Debian DSA-2804-1 : drupal7 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892804
OpenVAS Name: Debian Security Advisory DSA 2804-1 (drupal7 - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Drupal 7.24

Timelineinfo

11/04/2013 🔍
11/20/2013 +16 days 🔍
11/20/2013 +0 days 🔍
11/20/2013 +0 days 🔍
11/20/2013 +0 days 🔍
11/21/2013 +1 days 🔍
11/25/2013 +4 days 🔍
12/02/2013 +7 days 🔍
12/07/2013 +5 days 🔍
06/02/2021 +2734 days 🔍

Sourcesinfo

Product: drupal.org

Advisory: SA-CORE-2013-003
Researcher: David Stoline
Organization: Drupal Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-6386 (🔍)
GCVE (CVE): GCVE-0-2013-6386
GCVE (VulDB): GCVE-100-11244

OVAL: 🔍

X-Force: 89170
SecurityFocus: 63840 - Drupal 'mt_rand()' Multiple Predictable Random Number Generator Weaknesses
Secunia: 55713 - Drupal Multiple Vulnerabilities, Less Critical
OSVDB: 100037
Vulnerability Center: 42437 - Drupal 6, 7 Remote Security Bypass due to Weak Random Number Generation - CVE-2013-6386, Medium

See also: 🔍

Entryinfo

Created: 11/25/2013 10:32
Updated: 06/02/2021 13:19
Changes: 11/25/2013 10:32 (80), 05/16/2017 04:32 (5), 06/02/2021 13:19 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:0AB:103

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