Detections
Analytics
Cisco FXOS Software Pluggable Authentication Module DoS (cisco-sa-20191002-ftd-fpmc-dos)
medium Nessus Plugin ID 134450
Language:
Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco FXOS Software is affected by a vulnerability in the configuration of the Pluggable Authentication Module (PAM) due to improper resource management in the context of user session management. An authenticated, remote attacker can exploit this, by connecting to an affected system and performing many simultaneous successful Secure Shell (SSH) logins, in order to exhaust system resources and cause a denial of service (DoS) condition.Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvm92401, CSCvn83385See Also
http://www.nessus.org/u?481199e8
Plugin Details
Severity: Medium
ID: 134450
File Name: cisco-sa-20191002-fxos.nasl
Version: 1.6
Type: local
Family: CISCO
Published: 3/13/2020
Updated: 7/14/2020
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2019-12700
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:fxos
Required KB Items: installed_sw/FXOS
Exploit Ease: No known exploits are available
Patch Publication Date: 10/2/2019
Vulnerability Publication Date: 10/2/2019
Reference Information
CVE: CVE-2019-12700