HP corrige falha de segurança que atinge 150 modelos de impressoras

HP corrige falha de segurança que atinge 150 modelos de impressoras

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Pesquisadores descobriram que pelo menos 150 modelos de impressoras multifuncionais da HP sofrem com várias brechas que podem levar ao vazamento de dados e execução remota de códigos maliciosos. As vulnerabilidades estão presentes em dispositivos lançados desde 2013, o que significa que, potencialmente, foram usadas para ataques virtuais durante os últimos oito anos.

As falhas foram documentadas como CVE-2021-39237 e CVE-2021-39238. As vulnerabilidades mais críticas delas foram corrigidas na atualização de firmware para as impressoras afetadas lançadas pela HP no começo de novembro.

São duas falhas. A primeira, CVE-2021-39237, explora duas entradas físicas das impressoras e permitem o controle remoto total, inclusive com roubo de informações da máquina local. A segunda, CVE-2021-39238, é ainda mais grave, pois permite a execução de comandos maliciosos que podem se espalhar pela rede.

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Além da atualização de firmware das impressoras, a HP recomenda que as seguintes ações sejam tomadas para diminuir ainda mais o risco:

  • Desabilitar impressão via USB;
  • Deixar a impressora conectada em uma rede separada para evitar propagação de ameaças, e limitar quem pode acessá-la;
  • Configurar um servidor exclusivo para comunicação entre computadores e as impressoras.

As atualizações de firmware para as impressoras podem ser baixadas no site oficial da HP.

Dispositivos afetados

HP Color LaserJet Enterprise CM4540, uma das impressoras afetadas pela falha. (Imagem: Reprodução/HP)

Confira a lista abaixo das impressoras afetadas:

  • HP Color LaserJet Enterprise CM4540 MFP series
  • HP Color LaserJet Enterprise Flow MFP M578
  • HP Color LaserJet Enterprise MFP M578
  • HP Color LaserJet Enterprise Flow MFP M880z
  • HP Color LaserJet Managed Flow MFP M880zm
  • HP Color LaserJet Enterprise M455
  • HP Color LaserJet Enterprise M552
  • HP Color LaserJet Enterprise M553
  • HP Color LaserJet Managed M553
  • HP Color LaserJet Enterprise M555 Printer series
  • HP Color LaserJet Enterprise M651
  • HP Color LaserJet Managed M651
  • HP Color LaserJet Enterprise M652
  • HP Color LaserJet Enterprise M653
  • HP Color LaserJet Enterprise M750
  • HP Color LaserJet Enterprise M751 series
  • HP Color LaserJet Managed E75245
  • HP Color LaserJet Enterprise M855 Printer series
  • HP Color LaserJet Enterprise MFP M480 series
  • HP Color LaserJet Enterprise MFP M577
  • HP Color LaserJet Enterprise Flow MFP M577
  • HP Color LaserJet Enterprise MFP M680
  • HP Color LaserJet Enterprise Flow MFP M680
  • HP Color LaserJet Enterprise MFP M681
  • HP Color LaserJet Enterprise Flow MFP M681
  • HP Color LaserJet Enterprise MFP M682
  • HP Color LaserJet Enterprise Flow MFP M682
  • HP Color LaserJet Enterprise MFP M776HP Color LaserJet Enterprise Flow MFP M776
  • HP Color LaserJet Enterprises CP5525
  • HP Color LaserJet Managed E45028
  • HP Color LaserJet Managed E55040dw
  • HP Color LaserJet Managed E65050/60
  • HP Color LaserJet Managed E85055
  • HP Color LaserJet Managed MFP E47528 series
  • HP Color LaserJet Managed MFP E57540
  • HP Color LaserJet Managed Flow MFP E57540
  • HP Color LaserJet Managed MFP E67550/60
  • HP Color LaserJet Managed Flow MFP E67550/60
  • HP Color LaserJet Managed MFP E67650/60
  • HP Color LaserJet Managed MFP E77422-E77428 series
  • HP Color LaserJet Managed MFP E77822/25/30
  • HP Color LaserJet Managed Flow MFP E77822/25/30
  • HP Color LaserJet Managed MFP E78323/30
  • HP Color LaserJet Managed MFP E87640/50/60
  • HP Color LaserJet Managed Flow MFP E87640/50/60
  • HP Color LaserJet Managed MFP E87640du-E87660du series
  • HP Color LaserJet Managed MFP M577
  • HP Color LaserJet Managed Flow MFP M577
  • HP Color LaserJet Managed MFP M680
  • HP Color LaserJet Managed Flow MFP M680
  • HP Digital Sender Flow 8500 fn2
  • HP LaserJet Enterprise 500 color MFP M575
  • HP LaserJet Enterprise color Flow MFP M575
  • HP LaserJet Enterprise 500 color Printer M551 series
  • HP LaserJet Enterprise 500 MFP M525f
  • HP LaserJet Enterprise Flow MFP M525
  • HP LaserJet Enterprise 600 Printer M601 series
  • HP LaserJet Enterprise 600 Printer M602 series
  • HP LaserJet Enterprise 600 Printer M603 series
  • HP LaserJet Enterprise 700 color MFP M775
  • HP Color LaserJet Managed MFP M775
  • HP LaserJet Enterprise 700 Printer M712 series
  • HP LaserJet Enterprise Flow MFP M830
  • HP LaserJet Managed Flow MFP M830
  • HP LaserJet Enterprise M406
  • HP LaserJet Enterprise M407
  • HP LaserJet Enterprise M4555 MFP
  • HP LaserJet Enterprise M506
  • HP LaserJet Managed M506
  • HP LaserJet Enterprise M507
  • HP LaserJet Enterprise M604 series
  • HP LaserJet Enterprise M605
  • HP LaserJet Managed M605 series
  • HP LaserJet Enterprise M606 series
  • HP LaserJet Enterprise M607 series
  • HP LaserJet Enterprise M608 series
  • HP LaserJet Enterprise M609 series
  • HP LaserJet Enterprise M610 series
  • HP LaserJet Enterprise M611 series
  • HP LaserJet Enterprise M612 series
  • HP LaserJet Enterprise M806
  • HP LaserJet Enterprise MFP M430 series
  • HP LaserJet Enterprise MFP M431 series
  • HP LaserJet Enterprise MFP M527
  • HP LaserJet Enterprise Flow MFP M527z
  • HP LaserJet Enterprise MFP M528
  • HP LaserJet Enterprise MFP M630
  • HP LaserJet Enterprise Flow MFP M630
  • HP LaserJet Enterprise MFP M631
  • HP LaserJet Enterprise Flow MFP M631
  • HP LaserJet Enterprise MFP M632
  • HP LaserJet Enterprise Flow MFP M632
  • HP LaserJet Enterprise MFP M633
  • HP LaserJet Enterprise Flow MFP M633
  • HP LaserJet Enterprise MFP M634
  • HP LaserJet Enterprise Flow MFP M634
  • HP LaserJet Enterprise MFP M635
  • HP LaserJet Enterprise Flow MFP M635
  • HP LaserJet Enterprise MFP M636
  • HP LaserJet Enterprise Flow MFP M636
  • HP LaserJet Enterprise MFP M725
  • HP LaserJet Managed MFP M725
  • HP LaserJet Managed 500 color MFP M575
  • HP LaserJet Managed color Flow MFP M575
  • HP LaserJet Managed 500 MFP M525
  • HP LaserJet Managed Flow MFP M525
  • HP LaserJet Managed E40040
  • HP LaserJet Managed E50045
  • HP LaserJet Managed E50145
  • HP LaserJet Managed E60055/65/75 series
  • HP LaserJet Managed MFP E42540 series
  • HP LaserJet Managed MFP E52545
  • HP LaserJet Managed Flow MFP E52545c
  • HP LaserJet Managed MFP E52645
  • HP LaserJet Managed MFP E62555/65
  • HP LaserJet Managed Flow MFP E62555/65/75
  • HP LaserJet Managed MFP E62655/65
  • HP LaserJet Managed Flow MFP E6267
  • HP LaserJet Managed MFP E72425/30
  • HP LaserJet Managed MFP E72525/30/35
  • HP LaserJet Managed Flow MFP E72525/30/35
  • HP LaserJet Managed MFP E82540/50/60
  • HP LaserJet Managed Flow MFP E82540/50/60
  • HP LaserJet Managed MFP E82540/50/60du series
  • HP LaserJet Managed MFP M527
  • HP LaserJet Managed Flow MFP M527z
  • HP LaserJet Managed MFP M630
  • HP LaserJet Managed Flow MFP M630
  • HP OfficeJet Enterprise Color MFP X585
  • HP OfficeJet Managed Color MFP X585
  • HP OfficeJet Enterprise Color X555
  • HP PageWide Color 755
  • HP PageWide Color MFP 774
  • HP PageWide Color MFP 779
  • HP PageWide Enterprise Color 556
  • HP PageWide Enterprise Color 765
  • HP PageWide Enterprise Color Flow MFP 785
  • HP PageWide Enterprise Color MFP 586
  • HP PageWide Enterprise Color Flow MFP 586z
  • HP PageWide Enterprise Color MFP 780
  • HP PageWide Enterprise Color Flow MFP 780f
  • HP PageWide Managed Color E55650
  • HP PageWide Managed Color E75160
  • HP PageWide Managed Color MFP E58650dn
  • HP PageWide Managed Color Flow MFP E58650z
  • HP PageWide Managed Color MFP E77650
  • HP PageWide Managed Color Flow MFP E77660z
  • HP PageWide Managed Color Flow MFP E77650/60z
  • HP PageWide Managed Color MFP P77440
  • HP PageWide Managed Color MFP P77940/50/60
  • HP PageWide Managed Color P75250
  • HP ScanJet Enterprise 8500 FN1 Document Capture Workstation series
  • HP ScanJet Enterprise Flow N9120 fn2 Document Scanner

Fonte: HP

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