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

March 23rd, 2022
ZDI-22-535 ZDI-CAN-15832

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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