Cisco Adaptive Security Appliance Software Web Services Path Traversal (cisco-sa-asaftd-path-JE3azWw43)

critical Nessus Plugin ID 136914

Synopsis

The remote device is missing a vendor-supplied security patch

Description

A vulnerability exists in the web services interface of Cisco Adaptive Security Appliance (ASA) Software due to a lack of proper input validation of the HTTP URL. An unauthenticated, remote attacker can exploit this, by sending a crafted HTTP request containing directory traversal character sequences, in order to view or delete arbitrary files on the targeted system within the web services file system.

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 the Cisco Security Advisory

See Also

http://www.nessus.org/u?7e0745c0

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr55825

Plugin Details

Severity: Critical

ID: 136914

File Name: cisco-sa-asaftd-path-JE3azWw43-asa.nasl

Version: 1.9

Type: local

Family: CISCO

Published: 5/27/2020

Updated: 3/31/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-3187

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:adaptive_security_appliance_software

Required KB Items: Host/Cisco/ASA

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/6/2020

Vulnerability Publication Date: 5/6/2020

Reference Information

CVE: CVE-2020-3187

CISCO-SA: cisco-sa-asaftd-path-JE3azWw43

IAVA: 2020-A-0205-S

CISCO-BUG-ID: CSCvr55825