ATutor up to 2.2 popuphelp.php h cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ATutor up to 2.2. It has been rated as problematic. This vulnerability affects unknown code of the file popuphelp.php. The manipulation of the argument h as part of Parameter leads to cross site scripting. This vulnerability is listed as CVE-2015-7711. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in ATutor up to 2.2 (Learning Management Software) and classified as problematic. This issue affects an unknown function of the file popuphelp.php. The manipulation of the argument h as part of a Parameter leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in popuphelp.php in ATutor 2.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the h parameter.

The bug was discovered 11/04/2015. The weakness was presented 08/31/2017 as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2015-7711 since 10/05/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 666 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:popuphelp.php it is possible to find vulnerable targets with Google Hacking.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Learning Management Software

Name

ATutor

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/05/2015 🔍
11/04/2015 +30 days 🔍
08/31/2017 +666 days 🔍
08/31/2017 +0 days 🔍
09/01/2017 +1 days 🔍
12/27/2022 +1943 days 🔍

Sourcesinfo

Advisory: 134217⛔
Status: Not defined

CVE: CVE-2015-7711 (🔍)
GCVE (CVE): GCVE-0-2015-7711
GCVE (VulDB): GCVE-100-106043

Entryinfo

Created: 09/01/2017 09:02
Updated: 12/27/2022 14:08
Changes: 09/01/2017 09:02 (53), 11/12/2019 15:10 (7), 12/27/2022 14:08 (3)
Complete: 🔍
Cache ID: 216:18C:103