Detections
Analytics
Cisco IOS XE Software Change of Authorization DoS (cisco-sa-20190925-tsec)
high Nessus Plugin ID 129943
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
A denial of service (DoS) vulnerability exists in the RADIUS Change of Authorization (CoA) code of Cisco TrustSec within Cisco IOS XE software due to improper handling of malformed packet. An unauthenticated, remote attacker can exploit this issue, via sending a malformed packet to an affected device, to cause the DoS condition on an affected device.Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvg56762, CSCvm92998See Also
http://www.nessus.org/u?48ce2f62
Plugin Details
Severity: High
ID: 129943
File Name: cisco-sa-20190925-tsec-iosxe.nasl
Version: 1.10
Type: local
Family: CISCO
Published: 10/15/2019
Updated: 1/8/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2019-12669
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:ios_xe
Required KB Items: Host/Cisco/IOS-XE/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 9/25/2019
Vulnerability Publication Date: 9/25/2019
Reference Information
CVE: CVE-2019-12669