ATutor up to 2.2.1 Social Application access control

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.
8.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in ATutor up to 2.2.1. This issue affects some unknown processing of the component Social Application. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2017-1000003. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in ATutor up to 2.2.1 (Learning Management Software). It has been classified as critical. This affects an unknown code of the component Social Application. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

ATutor versions 2.2.1 and earlier are vulnerable to a incorrect access control check vulnerability in the Social Application component resulting in privilege escalation. ATutor versions 2.2.1 and earlier are vulnerable to a incorrect access control check vulnerability in the Module component resulting in privilege escalation. ATutor versions 2.2.1 and earlier are vulnerable to a incorrect access control check vulnerability in the Alternative Content component resulting in privilege escalation.

The bug was discovered 07/16/2017. The weakness was shared 07/17/2017 by Henri Salo (Website). The advisory is shared at atutor.ca. This vulnerability is uniquely identified as CVE-2017-1000003 since 07/10/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at SecurityFocus (BID 99599†). The entries VDB-103568 and VDB-103570 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2017 🔍
07/16/2017 +6 days 🔍
07/16/2017 +0 days 🔍
07/17/2017 +1 days 🔍
07/17/2017 +0 days 🔍
07/17/2017 +0 days 🔍
10/26/2019 +831 days 🔍

Sourcesinfo

Advisory: atutor.ca
Researcher: Henri Salo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-1000003 (🔍)
GCVE (CVE): GCVE-0-2017-1000003
GCVE (VulDB): GCVE-100-103569
SecurityFocus: 99599 - ATutor Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 07/17/2017 20:13
Updated: 10/26/2019 08:44
Changes: 07/17/2017 20:13 (59), 10/26/2019 08:44 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!