Advisory Details

March 23rd, 2022

(Pwn2Own) HP LaserJet Pro MFP M283fdw eContactRestore Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2022-24293
CVSS SCORE	8.0, AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	HP
AFFECTED PRODUCTS	LaserJet Pro MFP M283fdw
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of HP LaserJet Pro MFP M283fdw printers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the address book feature. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS	https://support.hp.com/us-en/document/ish_5950417-5950443-16/hpsbpi03781
DISCLOSURE TIMELINE	2022-01-21 - Vulnerability reported to vendor 2022-03-23 - Coordinated public release of advisory
CREDIT	Alexander Bolshev (@dark_k3y), Timo Hirvonen (@TimoHirvonen), and Dmitry Janushkevich (@InfoSecDJ)

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