BlackBoard LMS 9.1 SP14 editBlogEntry Title Persistent 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.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BlackBoard LMS 9.1 SP14 and classified as problematic. This issue affects some unknown processing of the file /webapps/blogs-journals/execute/editBlogEntry. Executing a manipulation of the argument Title can lead to cross site scripting (Persistent). The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in BlackBoard LMS 9.1 SP14 (Forum Software). This vulnerability affects an unknown code of the file /webapps/blogs-journals/execute/editBlogEntry. The manipulation of the argument title with an unknown input leads to a cross site scripting vulnerability (Persistent). The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity.

The weakness was released 01/10/2017 by Lawrence Amer as VL-ID 1901 as not defined advisory (Website). The advisory is shared for download at vulnerability-lab.com. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Lawrence Amer in HTTP POST Request and been published immediately after the advisory. It is possible to download the exploit at vulnerability-lab.com. It is declared as proof-of-concept.

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

Additional details are provided at seclists.org. Entry connected to this vulnerability is available at VDB-95175. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Forum Software

Vendor

BlackBoard

Name

Version

9.1 SP14

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

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

Exploitinginfo

Name: Persistent
Class: Cross site scripting / Persistent
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Lawrence Amer
Programming Language: 🔍
Download: 🔍
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: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/10/2017 🔍
01/10/2017 +0 days 🔍
01/11/2017 +1 days 🔍
07/19/2020 +1285 days 🔍

Sourcesinfo

Advisory: VL-ID 1901
Researcher: Lawrence Amer
Status: Not defined

GCVE (VulDB): GCVE-100-95176
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/11/2017 15:30
Updated: 07/19/2020 14:14
Changes: 01/11/2017 15:30 (48), 07/19/2020 14:14 (2)
Complete: 🔍
Cache ID: 216::103

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