Cisco Remote PHY Device Software Command Injection Vulnerability

A vulnerability in Cisco Remote PHY Device Software could allow an authenticated, local attacker to execute commands on the underlying Linux shell of an affected device with root privileges.

The vulnerability occurs because the affected software improperly sanitizes user-supplied input. An attacker who has valid administrator access to an affected device could exploit this vulnerability by supplying various CLI commands with crafted arguments. A successful exploit could allow the attacker to run arbitrary commands as the root user, allowing complete compromise of the system.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-rphy

Security Impact Rating: Medium

CVE: CVE-2019-1839

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Cisco Enterprise Network Functions Virtualization Infrastructure Software Arbitrary File Write Vulnerability

A vulnerability in Cisco Enterprise Network Functions Virtualization Infrastructure Software (NFVIS) could allow an authenticated, remote attacker with administrator privileges to overwrite files on the underlying operating system (OS) of an affected device.

The vulnerability is due to improper input validation in an NFVIS file-system command. An attacker could exploit this vulnerability by using crafted variables during the execution of an affected command. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying OS.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-nfv-filewrite

Security Impact Rating: Medium

CVE: CVE-2019-1984

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Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Command Injection Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an authenticated, remote attacker to execute arbitrary commands on the underlying Linux shell as the root user. Exploitation of this vulnerability requires privileged access to an affected device.

The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by logging in to the web-based management interface with administrator privileges and then sending a malicious request to a certain part of the interface.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imcs-ucs-cmdinj

Security Impact Rating: High

CVE: CVE-2019-1936

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Cisco Integrated Management Controller Privilege Escalation Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an authenticated, remote attacker to make unauthorized changes to the system configuration.

The vulnerability is due to insufficient authorization enforcement. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow a user with read-only privileges to change critical system configurations using administrator privileges.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imc-privilege

Security Impact Rating: High

CVE: CVE-2019-1863

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Cisco Integrated Management Controller Substring Comparison Privilege Escalation Vulnerability

A vulnerability in the web server of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to set sensitive configuration values and gain elevated privileges.

The vulnerability is due to improper handling of substring comparison operations that are performed by the affected software. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker with read-only privileges to gain administrator privileges.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imc-privescal

Security Impact Rating: High

CVE: CVE-2019-1907

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