Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-18262

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
30/04/2018
Last modified:
12/06/2018

Description

Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
6.10
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:blackboard:blackboard_learn:*:*:*:*:*:*:*:* 9.1 (including)
cpe:2.3:a:blackboard:blackboard_learn:9.1:q2_2016:*:*:*:*:*:*
cpe:2.3:a:blackboard:blackboard_learn:9.1:q2_2017:*:*:*:*:*:*
cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2015:*:*:*:*:*:*
cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2016:*:*:*:*:*:*
cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2017:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools