CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
53.8%
This updated advisory is a follow-up to the original advisory titled ICSA-21-035-01 Luxion KeyShot that was published February 4, 2021, on the ICS webpage on us-cert.cisa.gov.
Successful exploitation of these vulnerabilities could allow arbitrary code execution, the storing of arbitrary scripts into automatic startup folders, and the attacking of products without sufficient UI warning.
The following versions of Luxion software, 3D rendering and animation software, are affected:
The affected product is vulnerable to multiple out-of-bounds write issues while processing project files, which may allow an attacker to execute arbitrary code.
CVE-2021-22647 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).
The affected product is vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to execute arbitrary code.
CVE-2021-22643 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).
The affected product is vulnerable to an attack because the .bip documents display a βloadβ command, which can be pointed to a .dll from a remote network share. As a result, the .dll entry point can be executed without sufficient UI warning.
CVE-2021-22645 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).
The affected product has multiple NULL pointer dereference issues while processing project files, which may allow an attacker to execute arbitrary code.
CVE-2021-22649 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).
When loading a specially crafted file, the application, while processing the extraction of temporary files, suffers from a directory traversal vulnerability, which allows an attacker to store arbitrary scripts into automatic startup folders.
CVE-2021-22651 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).
rgod, working with Trend Microβs Zero Day Initiative, reported these vulnerabilities to CISA.
Luxion has released an update to KeyShot (v10.1) and recommends users update to the latest version.
--------- Begin Update A Part 1 of 1 ---------
For more information on products dependent on the affected KeyShot products, see the following vendor security advisory:
--------- End Update A Part 1 of 1 ---------
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities.
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 us-cert.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 us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted 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.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22643
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22645
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22647
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22649
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22651
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cwe.mitre.org/data/definitions/125.html
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cwe.mitre.org/data/definitions/787.html
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us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf
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CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
53.8%