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MitreCVE-2018-13257

HistoryNov 18, 2019 - 4:15 p.m.

CVE-2018-13257

2019-11-1816:15:11

CWE-601

mitre

web.nvd.nist.gov

cve-2018-13257

blackboard learn

authentication module

http host header spoofing

cas

phishing attack

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

43.2%

JSON

The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is susceptible to HTTP host header spoofing during Central Authentication Service (CAS) service ticket validation, enabling a phishing attack from the CAS server login page.

Affected configurations

Nvd

Node

blackboardblackboard_learnMatch2018-07-02

VendorProductVersionCPE
blackboardblackboard_learn2018-07-02cpe:2.3:a:blackboard:blackboard_learn:2018-07-02:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
blackboard	blackboard_learn	2018-07-02	cpe:2.3:a:blackboard:blackboard_learn:2018-07-02:::::::*

References

github.com/gluxon/CVE-2018-13257

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

43.2%

JSON

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