Advisory Details

March 23rd, 2022

(Pwn2Own) HP LaserJet Pro MFP M283fdw CFF Font Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2022-24292
CVSS SCORE	4.3, AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AFFECTED VENDORS	HP
AFFECTED PRODUCTS	LaserJet Pro MFP M283fdw
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on affected installations of HP LaserJet Pro MFP M283fdw printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the PostScript interpreter. Crafted data in a CFF font can trigger a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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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