PoC Index

CVE-2022-23968

HIGH 7.8EPSS 1.9%

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."

CVSS v3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
1.90% chance of exploitation in the next 30 days, 78th percentile
Published
2022-01-26
Updated
2024-08-03

Proof-of-concept exploits (1)

References

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