Advisory Details

May 1st, 2023

KeySight N8844A Data Analytics Web Service Unmarshal Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI-23-490
ZDI-CAN-19603

CVE ID CVE-2023-1967
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS KeySight
AFFECTED PRODUCTS N8844A Data Analytics Web Service
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of KeySight N8844A Data Analytics Web Service. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Unmarshal function. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code 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/news-events/ics-advisories/icsa-23-115-01
DISCLOSURE TIMELINE
  • 2022-12-23 - Vulnerability reported to vendor
  • 2023-05-01 - Coordinated public release of advisory
CREDIT Anonymous
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