Pixar Tractor contains a stored cross-site scripting vulnerability

Overview

Pixar’s Tractor network rendering software is vulnerable to stored cross-site scripting which may allow an attacker to execute arbitrary JavaScript.

Description

Pixar’s Tractor software, versions 2.2 and earlier, contain a stored cross-site scripting vulnerability (CWE-79) in the field that allows a user to add a note to an existing node. The stored information is displayed when a user requests information about the node. An attacker could insert JavaScript into this note field that is then saved and displayed to the end user.

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Impact

An authenticated attacker might include JavaScript that could execute on an authenticated user’s system, which could lead to website redirects, session cookie hijacking, social engineering, and other impacts. Since the attacker’s script is stored with the information about the node, all other users with access to this data are also vulnerable.

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Solution

Apply an update

Pixar has released an updated version of this software that addresses this vulnerability, Tractor version 2.3 (build 1923604). Affected users should update to this version.

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Vendor Information

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Pixar Animation Studios Affected

Notified: December 05, 2018 Updated: December 13, 2018

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

CVSS Metrics

Group	Score	Vector
Base	3.2	AV:L/AC:L/Au:S/C:N/I:P/A:P
Temporal	2.5	E:POC/RL:OF/RC:C
Environmental	0.8	CDP:L/TD:L/CR:ND/IR:ND/AR:ND

References

• <https://cwe.mitre.org/data/definitions/79.html&gt;
• <https://renderman.pixar.com/product/tractor&gt;

Acknowledgements

Thanks to the reporter who wishes to remain anonymous.

This document was written by Madison Oliver.

Other Information

CVE IDs:	CVE-2018-5411
Date Public:	2018-12-12 Date First Published: