First published: Wed Sep 28 2022(Updated: )
A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-cip-dos-9rTbKLt9 This advisory is part of the September 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco IOS | ||
Cisco IOS XE Software |
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The severity of cisco-sa-iosxe-cip-dos-9rTbKLt9 is high due to the potential for denial of service.
To fix cisco-sa-iosxe-cip-dos-9rTbKLt9, update to the latest version of Cisco IOS or Cisco IOS XE Software as recommended in the security advisory.
cisco-sa-iosxe-cip-dos-9rTbKLt9 affects devices running Cisco IOS Software and Cisco IOS XE Software.
Yes, cisco-sa-iosxe-cip-dos-9rTbKLt9 can be exploited by unauthenticated remote attackers.
The consequence of cisco-sa-iosxe-cip-dos-9rTbKLt9 is an unexpected reload of the affected device, resulting in denial of service.