Government’s cyber agency discovers numerous security flaws in Cisco goods

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Government's cyber agency discovers numerous security flaws in Cisco goods
Government's cyber agency discovers numerous security flaws in Cisco goods

Due to vulnerabilities in Cisco Firepower Threat Defense (FTD) and Adaptive Security Appliance (ASA) software, attackers may be able to execute arbitrary commands and code on the underlying operating system.

Three major vulnerabilities in networking giant Cisco products have been the subject of an advisory from the Indian Computer Emergency Response Team (CERT-In), which is part of the Ministry of Electronics and Information Technology. These vulnerabilities could allow hackers to gain access, infiltrate computer systems, and steal data.

According to CERT-In’s most recent advisory, vulnerabilities in the Cisco Firepower Threat Defense (FTD) and Adaptive Security Appliance (ASA) software could give attackers root-level privileges to execute arbitrary commands and code on the underlying operating system, causing the device to unexpectedly reload and causing a denial of service (DoS).

The reported program contains a “Command Injection Vulnerability” because a backup file’s contents were not properly sanitized when it came time to restore it. “An attacker could exploit this vulnerability by restoring a crafted backup file to an affected device,” the FBI stated.

An additional vulnerability pertaining to denial of service arises from insufficient error checking during the parsing of an HTTP header.

Attackers may be able to create a “DoS condition when the device reloads” by “sending a crafted HTTP request to a targeted web server on a device” in order to take advantage of this vulnerability.

A third vulnerability, known as a “code execution vulnerability,” arises when a file is read from system flash memory without adequate validation.

The cyber agency states that adding a “crafted file to the disk0: file system of an affected device” would allow an attacker to take advantage of this vulnerability.

Furthermore, CERT-In recommends that users apply the relevant upgrades that Cisco has released.

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