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Cisco Patches Excessive-Severity Vulnerabilities in Networking Software program

By Ionut Arghire on September 30, 2022

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Cisco this week introduced IOS and IOS XE software program updates that handle 12 vulnerabilities, together with 10 high-severity safety flaws.

The bugs had been resolved as a part of Cisco’s semiannual bundle patches for its networking software program, which it releases in March and September.

With a CVSS rating of 8.6, essentially the most extreme of the newly addressed points are six vulnerabilities that would result in denial-of-service (DoS) situations.

The problems exist due to improper processing or inadequate enter validation of sure packages, improper administration of sources, and logic errors.

An attacker may exploit these vulnerabilities by sending malformed CIP packets, crafted DNS packets, a malformed packet out of an affected MPLS-enabled interface, malicious UDP datagrams, crafted CAPWAP Mobility packets, or malicious DHCP messages.

Based on Cisco, these vulnerabilities influence a number of product sequence, together with Catalyst 9100 entry factors (APs), Catalyst 9800 wi-fi controllers, Catalyst 3650, Catalyst 3850, and Catalyst 9000 switches, ASR 1000 embedded companies processors, and Catalyst 8500 edge platforms.

Of the remaining 4 high-severity vulnerabilities, two may enable an attacker to trigger a DoS situation by sending crafted SSH requests or IPv6 packets.

Whereas the primary impacts the SSH implementation of IOS and IOS XE, the second impacts the implementation of IPv6 VPN over MPLS (6VPE) when IOS XE has each 6VPE and Zone-Primarily based Firewall (ZBFW) enabled.

The 2 remaining points may result in arbitrary code execution at boot time, with out authentication, or escalate privileges and execute instructions on the underlying OS as root.

This week, Cisco additionally introduced patches for a number of different high-severity safety bugs, together with two privilege escalation flaws in SD-WAN and two DoS points in Wi-fi LAN Controller (WLC) AireOS software program and Catalyst 9100 APs.

Cisco has launched software program updates that handle these vulnerabilities. The tech big says it isn’t conscious of any of those vulnerabilities being exploited in assaults.

A complete of eight medium-severity flaws impacting IOS and different Cisco merchandise had been additionally resolved. Further info on the launched patches could be discovered on the corporate’s safety portal.

Associated: L2 Community Safety Management Bypass Flaws Impression A number of Cisco Merchandise

Associated: Cisco Patches Excessive-Severity Vulnerabilities in Enterprise Switches

Associated: Cisco Patches Excessive-Severity Vulnerability in Safety Options

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