Advisory Details

August 24th, 2023

(Pwn2Own) HP Color LaserJet Pro M479fdw msws Server-Side Request Forgery Remote Code Execution Vulnerability

CVE ID	CVE-2023-35175
CVSS SCORE	8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	HP
AFFECTED PRODUCTS	Color LaserJet Pro M479fdw
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of HP Color LaserJet Pro M479fdw printer. Authentication is not required to exploit this vulnerability. The specific flaw exists within the msws service. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to execute code in the context of udwserv service.
ADDITIONAL DETAILS	HP has issued an update to correct this vulnerability. More details can be found at: https://support.hp.com/us-en/document/ish_8651322-8651446-16/hpsbpi03851
DISCLOSURE TIMELINE	2022-12-28 - Vulnerability reported to vendor 2023-08-24 - Coordinated public release of advisory
CREDIT	nxhoang99, HaToan, QuangHV99 from VcsLab of Viettel Cyber Security

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