Cisco has released a set of updates to address vulnerabilities in its IOS software platform and Unified Communications Manager platform.
The company said that the cumulative update, which is issued twice per year, would contain eight security bulletins. These include fixes for denial of service and protocol reset vulnerabilities, which could be exploited by outside attackers to disable network infrastructure.
Six of the eight updates address flaws in IOS, the software platform Cisco uses to power many of its routers and network appliances. The vulnerabilities include flaws which could be targeted by attackers to trigger denial-of-service conditions.
Additionally, the company outlined a bulletin for the Cisco Unified Communications Manager software which could also be targeted to disable appliances.
The eighth patch in the release address a denial-of-service vulnerability in Cisco's Catalyst 4500E series switches.
The release comes six months after the company's last IOS update and is part of a regularly-scheduled twice yearly patch release for the platform.
Cisco's release comes just days after Microsoft pushed out an out-of-band security update which users and administrators of Windows XP systems have been urged to install. The patch addresses a security vulnerability in Internet Explorer which has been targeted for use in drive-by malware attacks.
That fix was later capitalised upon by phishing operators who distributed phony alert messages from Microsoft.
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