Cisco Patches Serious Flaws in Security, Wireless Appliances

I put this up as I KNOW a lot of you Tech-Heads run Cisco stuff (probably wireless along with a few Cisco Switches). I wanted to make SURE you all knew about this vulnerability and the immediate need to get these wireless units patched.

Cisco has released software updates to address a series of critical and high severity vulnerabilities affecting some of the company’s security and wireless appliances.

The most serious of the flaws disclosed on Wednesday is a command injection vulnerability (CVE-2015-6298) affecting the certificate generation process in the administration web interface of the Cisco Web Security Appliance (WSA). The vulnerability, caused by improper parameter validation, can be exploited by a remote attacker to execute arbitrary commands with root privileges.

The Cisco Web Security Appliance is also affected by a couple of high severity denial-of-service (DoS) vulnerabilities that can be exploited to cause the device to run out of system memory. One of these security bugs affects the file-range request functionality of Cisco AsyncOS (CVE-2015-6293), while the other impacts the AsyncOS proxy cache functionality (CVE-2015-6292).

Vulnerabilities in AsyncOS components also affect the Cisco Email Security Appliance (ESA). One of these issues, a DoS flaw identified as CVE-2015-6321, can be used by a remote attacker to cause the device to stop accepting new TCP connections. The second issue, first disclosed in June, can be exploited by a remote, unauthenticated attacker to bypass the appliance’s anti-spam functionality.

Read more about it here.

Da Boss!

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