Advisory Details

May 27th, 2022

KeySight N6841A RF Sensor UserFirmwareRequestHandler Directory Traversal Information Disclosure Vulnerability

ZDI-22-805
ZDI-CAN-15525

CVE ID CVE-2022-1661
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS KeySight
AFFECTED PRODUCTS N6841A RF Sensor
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of KeySight N6841A RF Sensor. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the UserFirmwareRequestHandler class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose files in the context of SYSTEM.

ADDITIONAL DETAILS KeySight has issued an update to correct this vulnerability. More details can be found at:
https://www.cisa.gov/uscert/ics/advisories/icsa-22-146-01
DISCLOSURE TIMELINE
  • 2021-12-30 - Vulnerability reported to vendor
  • 2022-05-27 - Coordinated public release of advisory
CREDIT rgod
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