Moodle up to 1.9.3 cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Moodle. The affected element is an unknown function. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2009-0502. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Moodle (Learning Management Software). Affected is an unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in blocks/html/block_html.php in Snoopy 1.2.3, as used in Moodle 1.6 before 1.6.9, 1.7 before 1.7.7, 1.8 before 1.8.8, and 1.9 before 1.9.4, allows remote attackers to inject arbitrary web script or HTML via an HTML block, which is not properly handled when the "Login as" feature is used to visit a MyMoodle or Blog page.

The bug was discovered 02/04/2009. The weakness was shared 02/09/2009 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2009-0502 since 02/09/2009. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 35691 (Debian DSA-1724-1 : moodle - 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175148 (Debian Security Update for Moodle (DSA-1724)).

Upgrading to version 1.9.3 eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (48497), Tenable (35691), SecurityFocus (BID 33617†), OSVDB (54088†) and Secunia (SA33955†). The entries VDB-46403, VDB-46402, VDB-46401 and VDB-45104 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 1.7
• 1.7.1
• 1.7.2
• 1.7.3
• 1.7.4
• 1.7.5
• 1.7.6
• 1.8
• 1.8.1
• 1.8.2
• 1.8.3
• 1.8.4
• 1.8.5
• 1.8.6
• 1.8.7
• 1.9
• 1.9.1
• 1.9.2
• 1.9.3

License

• open-source

Website

• Product: https://moodle.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 35691
Nessus Name: Debian DSA-1724-1 : moodle - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63410
OpenVAS Name: Debian Security Advisory DSA 1724-1 (moodle)
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: Moodle 1.9.3

Timelineinfo

02/04/2009 🔍
02/04/2009 +0 days 🔍
02/04/2009 +0 days 🔍
02/09/2009 +5 days 🔍
02/09/2009 +0 days 🔍
02/09/2009 +0 days 🔍
02/13/2009 +4 days 🔍
02/16/2009 +3 days 🔍
02/17/2009 +1 days 🔍
03/17/2015 +2219 days 🔍
08/27/2019 +1624 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-0502 (🔍)
GCVE (CVE): GCVE-0-2009-0502
GCVE (VulDB): GCVE-100-46404

OVAL: 🔍

X-Force: 48497
SecurityFocus: 33617 - Moodle 'Login As' Cross Site Scripting Vulnerability
Secunia: 33955
OSVDB: 54088 - CVE-2009-0502 - Moodle - Cross-Site Scripting Issue
Vulnerability Center: 20857 - Snoopy 1.2.3 in Moodle 1.6-1.6.8, 1.7-1.7.6, 1.8-1.8.7, 1.9-1.9.3 Login as Feature XSS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/27/2019 09:31
Changes: 03/17/2015 16:11 (73), 08/27/2019 09:31 (9)
Complete: 🔍
Cache ID: 216:53D:103

Once again VulDB remains the best source for vulnerability data.

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