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Yellowfin < 9.6.1 Multiple Vulnerabilities

Table of contents:

Vulnerability 1: Stored XSS

Vulnerability

Stored Cross-Site Scripting

Affected Products and Versions

Yellowfin < 9.6.1

CVEID:

CVE-2021-36387

CVSSv3.1 Score

5.4 (Medium)

CVSSv3.1 Attack Vector

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

Short Description

In Yellowfin before 9.6.1 there is a Stored Cross-Site Scripting vulnerability in the video embed functionality exploitable through a specially crafted HTTP POST request to the page "ActivityStreamAjax.i4".

Remediation

Update Yellowfin to the latest version available

Discoverer

Michele Di Bonaventura (cyberaz0r)

Reference

https://wiki.yellowfinbi.com/display/yfcurrent/Release+Notes+for+Yellowfin+9#ReleaseNotesforYellowfin9-Yellowfin9.6

Vulnerability 2: Profile pics IDOR

Vulnerability

Insecure Direct Object Reference

Affected Products and Versions

Yellowfin < 9.6.1

CVEID

CVE-2021-36388

CVSSv3.1 Score

7.5 (High)

CVSSv3.1 Attack Vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Short Description

In Yellowfin before 9.6.1 it is possible to enumerate and download users profile pictures through an Insecure Direct Object Reference vulnerability exploitable by sending a specially crafted HTTP GET request to the page "MIIAvatarImage.i4".

Remediation

Update Yellowfin to the latest version available

Discoverer

Michele Di Bonaventura (cyberaz0r)

Reference

https://wiki.yellowfinbi.com/display/yfcurrent/Release+Notes+for+Yellowfin+9#ReleaseNotesforYellowfin9-Yellowfin9.6

Vulnerability 3: Images IDOR

Vulnerability

Insecure Direct Object Reference

Affected Products and Versions

Yellowfin < 9.6.1

CVEID

CVE-2021-36389

CVSSv3.1 Score

7.5 (High)

CVSSv3.1 Attack Vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Short Description

In Yellowfin before 9.6.1 it is possible to enumerate and download uploaded images through an Insecure Direct Object Reference vulnerability exploitable by sending a specially crafted HTTP GET request to the page "MIImage.i4".

Remediation

Update Yellowfin to the latest version available

Discoverer

Michele Di Bonaventura (cyberaz0r)

Reference

https://wiki.yellowfinbi.com/display/yfcurrent/Release+Notes+for+Yellowfin+9#ReleaseNotesforYellowfin9-Yellowfin9.6