A vulnerability has been reported in HP LaserJet Printers, which can be exploited by malicious people to disclose potentially sensitive information.
The vulnerability is caused due to an input validation error in the Printer Job Language (PJL) interface and can be exploited to access files via directory traversal specifiers.
The vulnerability is reported in the following products:
* HP LaserJet MFP printers (all models with Printer Job Language (PJL) support).
* HP Color LaserJet MFP printers (all models with Printer Job Language (PJL) support).
* HP LaserJet 4100, 4200, 4300, 5100, 8150, and 9000 series.
Solution: Apply the workaround (please see the vendor's advisory for details).
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Subject: HP LaserJet Printers PJL Directory Traversal Vulnerability
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