Prisma Cloud Compute: Cross-site Scripting -- Remote with User Interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2397
         Prisma Cloud: Cross-Site Scripting (XSS) Vulnerability in
             Prisma Cloud Compute Web Console (CVE-2021-3043)
                               15 July 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Prisma Cloud Compute
Publisher:         Palo Alto
Operating System:  Network Appliance
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-3043  

Original Bulletin: 
   https://security.paloaltonetworks.com/CVE-2021-3043

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Palo Alto Networks Security Advisories / CVE-2021-3043

CVE-2021-3043 Prisma Cloud: Cross-Site Scripting (XSS) Vulnerability in Prisma
Cloud Compute Web Console

047910
Severity 7.5 . HIGH
Attack Vector NETWORK
Attack Complexity HIGH
Privileges Required NONE
User Interaction REQUIRED
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH
NVD JSON     

Published 2021-07-14
Updated 2021-07-14

Reference
Discovered internally

Description

A reflected cross-site scripting (XSS) vulnerability exists in the Prisma Cloud
Compute web console that enables a remote attacker to execute arbitrary
JavaScript code in the browser-based web console while an authenticated
administrator is using that web interface.

Prisma Cloud Compute SaaS versions were automatically upgraded to the fixed
release. No additional action is required for these instances.

This issue impacts:

Prisma Cloud Compute 20.12 versions earlier than Prisma Cloud Compute
20.12.552;

Prisma Cloud Compute 21.04 versions earlier than Prisma Cloud Compute
21.04.439.

Product Status

         Versions           Affected    Unaffected
Prisma Cloud Compute 21.04 < 21.04.439 >= 21.04.439
Prisma Cloud Compute 20.12 < 20.12.552 >= 20.12.552

Severity: HIGH

CVSSv3.1 Base Score: 7.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Exploitation Status

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Weakness Type

CWE-79 Cross-site Scripting (XSS)

Solution

This issue is fixed in Prisma Cloud Compute 20.12.552, Prisma Cloud Compute
21.04.439, and all later Prisma Cloud Compute versions.

Workarounds and Mitigations

There are no known workarounds for this issue.

Acknowledgments

This issue was found during an internal security review.

Timeline

2021-07-14 Initial publication

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