VDB-137792 · CVE-2019-9886 · GCVE-0-2019-9886

BroadLearning eClass up to ip.2.5.10.2.0 URL download_attachment.php 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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BroadLearning eClass up to ip.2.5.10.2.0 and classified as problematic. The affected element is an unknown function of the file download_attachment.php of the component URL Handler. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2019-9886. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in BroadLearning eClass up to ip.2.5.10.2.0. Affected by this issue is an unknown code of the file download_attachment.php of the component URL Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. CVE summarizes:

Any URLs with download_attachment.php under templates or home folders can allow arbitrary files downloaded without login in BroadLearning eClass before version ip.2.5.10.2.1.

The weakness was disclosed 07/11/2019 as confirmed advisory (CERT.org). The advisory is shared for download at surl.twcert.org.tw. This vulnerability is handled as CVE-2019-9886 since 03/19/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

By approaching the search of inurl:download_attachment.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version ip.2.5.10.2.1 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

BroadLearning

Name

eClass

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector (TWCERT/CC): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: eClass ip.2.5.10.2.1

Timelineinfo

03/19/2019 🔍
07/11/2019 +114 days 🔍
07/12/2019 +1 days 🔍
10/26/2023 +1567 days 🔍

Sourcesinfo

Advisory: surl.twcert.org.tw
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-9886 (🔍)
GCVE (CVE): GCVE-0-2019-9886
GCVE (VulDB): GCVE-100-137792

Entryinfo

Created: 07/12/2019 09:44
Updated: 10/26/2023 09:39
Changes: 07/12/2019 09:44 (59), 07/04/2020 15:52 (1), 10/26/2023 09:39 (14)
Complete: 🔍
Cache ID: 216::103