Cisco reveals multiple Clean Access flaws

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Cisco Systems has reported multiple privilege-escalation vulnerabilities affecting the networking giant's Clean Access software solution.

The flaws could be exploited by attackers to "bypass security restrictions or gain knowledge of sensitive information," according to a French Security Incident Response Team (FrSIRT) advisory.

The first flaw is caused by the improper configuration of a secret shared by the Cisco Clean Access Manager (CAM) and Clean Access Server (CAS). The second is caused when manual database backups, or snapshots, stored on the CAM are given predictable filenames.

According to a Cisco advisory, backups taken on CAM are "not encrypted or otherwise protected."

FrIST rated the vulnerabilities "high risk," while Secunia assigned them a "moderately critical" rating.

There are no workarounds, although the Cisco advisory suggests administrators remove "readable snapshot files" soon after they are created.

Both FrIST and Secunia recommend upgrading to the latest versions of Clean Access, which is designed to detect and clean infected endpoint devices attempting to connect to the network.

News of the bugs came as Cisco today announced an US$830 million purchase of email security firm IronPort.

Click here to email reporter Dan Kaplan.


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