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AUSCERT External Security Bulletin Redistribution
ESB-2022.2353
Advisory (icsa-22-132-03) Inkscape in Industrial Products
13 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Inkscape in Industrial Products
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2021-42704 CVE-2021-42702 CVE-2021-42700
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-132-03
Comment: CVSS (Max): 7.8 CVE-2021-42704 (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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ICS Advisory (ICSA-22-132-03)
Inkscape in Industrial Products
Original release date: May 12, 2022
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For more
information about TLP, see https://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 7.8
o ATTENTION: Low attack complexity
o Vendor: Inkscape
o Equipment: Inkscape, an open-source graphics editor
o Vulnerabilities: Out-of-bounds Read, Access of Uninitialized Pointer,
Out-of-bounds Write
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow unauthorized
information disclosure and code execution.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of the Inkscape open-source graphics editor are
affected:
o Inkscape Version 0.91
3.2 VULNERABILITY OVERVIEW
3.2.1 OUT-OF-BOUNDS READ CWE-125
The affected product is vulnerable to an out-of-bounds read, which may allow an
attacker to have access to unauthorized information.
CVE-2021-42700 has been assigned to this vulnerability. A CVSS v3 base score of
3.3 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:L/I:N/A:N ).
3.2.2 ACCESS OF UNINITIALIZED POINTER CWE-824
The affected product can access an uninitialized pointer, which may allow an
attacker to have access to unauthorized information.
CVE-2021-42702 has been assigned to this vulnerability. A CVSS v3 base score of
3.3 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:L/I:N/A:N ).
3.2.3 OUT-OF-BOUNDS WRITE CWE-787
The affected product is vulnerable to an out-of-bounds write, which may allow
an attacker to arbitrary execute code.
CVE-2021-42704 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Multiple Sectors
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Open-source
3.4 RESEARCHER
Tran Van Khang - khangkito (VinCSS), working with Trend Micro's Zero Day
Initiative, reported these vulnerabilities to CISA.
4. MITIGATIONS
Inkscape has fixed these vulnerabilities and recommends users update to Version
Inkscape 1.0 or later .
See the following links for more information and mitigations on products that
use Inkscape:
o Ecava IntegraXor
CISA also recommends users take the following measures to protect themselves
from social engineering attacks:
o Do not click web links or open unsolicited attachments in email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on cisa.gov Several recommended practices are available for
reading and download, including Improving Industrial Control Systems
Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on cisa.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
No known public exploits specifically target these vulnerabilities. These
vulnerabilities are not exploitable remotely.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
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