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CVSS: 8.8EPSS: 0%CPEs: 472EXPL: 0

PJL directory traversal vulnerability in Lexmark devices through 2021-12-07 that can be leveraged to overwrite internal configuration files. Una vulnerabilidad de salto de directorios PJL en dispositivos Lexmark versiones hasta 07-12-2021 que puede ser aprovechada para sobrescribir archivos de configuración internos This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Lexmark MC3224i printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of PJL commands. The issue results from an exposed danagerous function, which can allow the creation of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of root. • https://support.lexmark.com/alerts https://www.zerodayinitiative.com/advisories/ZDI-22-333 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •

CVSS: 10.0EPSS: 6%CPEs: 472EXPL: 0

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter. Se ha identificado una vulnerabilidad de desbordamiento del búfer en los dispositivos Lexmark versiones hasta 07-12-2021, en el intérprete de postscript This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Lexmark MC3224i printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of PostScript data. Crafted PostScript data can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. • https://support.lexmark.com/alerts https://www.zerodayinitiative.com/advisories/ZDI-22-327 https://www.zerodayinitiative.com/advisories/ZDI-22-328 https://www.zerodayinitiative.com/advisories/ZDI-22-382 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 9.8EPSS: 0%CPEs: 102EXPL: 0

Various Lexmark devices have a Buffer Overflow (issue 2 of 2). Varios dispositivos Lexmark tienen un desbordamiento de búfer (problema 2 de 2). • http://support.lexmark.com/index?page=content&id=TE892 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 4.9EPSS: 0%CPEs: 16EXPL: 0

On certain Lexmark devices that communicate with an LDAP or SMTP server, a malicious administrator can discover LDAP or SMTP credentials by changing that server's hostname to one that they control, and then capturing the credentials that are sent there. This occurs because stored credentials are not automatically deleted upon that type of hostname change. En determinados dispositivos de Lexmark que se comunican con un servidor LDAP o SMTP, un administrador malicioso puede descubrir credenciales LDAP o SMTP, cambiando el nombre de host del servidor a uno que ya controlan y, posteriormente, capturando las credenciales que se envían a dicho servidor. Esto ocurre debido a que las credenciales almacenadas no se eliminan de forma automática a la hora de cambiar dicho tipo de nombre de host. • http://support.lexmark.com/index?page=content&id=TE909 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •