NVD

CVE-2022-23968 Detail

Description

Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers to brick the device via a crafted TIFF file in an unauthenticated HTTP POST request. There is a permanent denial of service because image parsing causes a reboot, but image parsing is restarted as soon as the boot process finishes. However, this boot loop can be resolved by a field technician. The TIFF file must have an incomplete Image Directory. Affected firmware versions include xx.42.01 and xx.50.61. NOTE: the 2022-01-24 NeoSmart article included "believed to affect all previous and later versions as of the date of this posting" but a 2022-01-26 vendor statement reports "the latest versions of firmware are not vulnerable to this issue."

Severity

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score: 7.5 HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://neosmart.net/blog/2022/xerox-vulnerability-allows-unauthenticated-network-users-to-remotely-brick-printers/	Exploit Third Party Advisory
https://twitter.com/mqudsi/status/1485756915187695618	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-835	Loop with Unreachable Exit Condition ('Infinite Loop')	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Initial Analysis by NIST 2/03/2022 10:46:19 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 1383 characters. View Entire Change Record AND OR cpe:2.3:o:xerox:versalink_firmware::::::::* versions up to (including) 42.01 cpe:2.3:o:xerox:versalink_firmware::::::::* versions from (including) 50.00 up to (including) 50.61 OR cpe:2.3:h:xerox:versalink_b400:-:::::::* cpe:2.3:h:xerox:versalink_b405:-:::::::* cpe:2.3:h:xerox:versalink_b600:-:::::::* cpe:2.3:h:xerox:versalink_b610:-:::::::* cpe:2.3:h:xerox:versalink_b70
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CWE		NIST CWE-835
Changed	Reference Type	https://neosmart.net/blog/2022/xerox-vulnerability-allows-unauthenticated-network-users-to-remotely-brick-printers/ No Types Assigned	https://neosmart.net/blog/2022/xerox-vulnerability-allows-unauthenticated-network-users-to-remotely-brick-printers/ Exploit, Third Party Advisory
Changed	Reference Type	https://twitter.com/mqudsi/status/1485756915187695618 No Types Assigned	https://twitter.com/mqudsi/status/1485756915187695618 Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2022-23968
NVD Published Date:
01/26/2022
NVD Last Modified:
02/03/2022
Source:
MITRE

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Information Technology Laboratory

National Vulnerability Database