CVE-2014-0771

Advantech WebAccess File and Directory Information Exposure

Published Apr 12, 2014 CVSS 2.0 · 7.5 High EPSS 1.4% KEV · Not listed
Description
The BWOCXRUN.BwocxrunCtrl.1 control contains a method named
“OpenUrlToBuffer.” This method takes a URL as a parameter and returns
its contents to the caller in JavaScript. The URLs are accessed in the
security context of the current browser session. The control does not
perform any URL validation and allows “file://” URLs that access the
local disk.


The method can be used to open a URL (including file URLs) and read
file URLs through JavaScript. This method could also be used to reach
any arbitrary URL to which the browser has access.

Remediation

Vendor Solution

Advantech has created a new version (Version 7.2) that mitigates each of the vulnerabilities described above. Users may download this version from the following location at their web site:  http://webaccess.advantech.com/downloads.php?item=software For additional information about WebAccess, please visit the following Advantech web site:  http://webaccess.advantech.com/

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2014-0802 The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “OpenUrlToBuffer.” This method takes a URL as a parameter and returns its contents to the caller in JavaScript. The URLs are accessed in the security context of the current browser session. The control does not perform any URL validation and allows “file://” URLs that access the local disk. The method can be used to open a URL (including file URLs) and read file URLs through JavaScript. This method could also be used to reach any arbitrary URL to which the browser has access.
History
Type Values Removed Values Added
Description The OpenUrlToBuffer method in the BWOCXRUN.BwocxrunCtrl.1 ActiveX control in bwocxrun.ocx in Advantech WebAccess before 7.2 allows remote attackers to read arbitrary files via a file: URL. The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “OpenUrlToBuffer.” This method takes a URL as a parameter and returns its contents to the caller in JavaScript. The URLs are accessed in the security context of the current browser session. The control does not perform any URL validation and allows “file://” URLs that access the local disk. The method can be used to open a URL (including file URLs) and read file URLs through JavaScript. This method could also be used to reach any arbitrary URL to which the browser has access.
Title Advantech WebAccess File and Directory Information Exposure
Weaknesses CWE-538
References
Metrics cvssV2_0

{'score': 5.0, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N'}

cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Sep 19, 2025, 7:15 PM
Reserved
Jan 2, 2014, 12:00 AM
Status
Modified
Published
Apr 12, 2014, 4:37 AM
Modified
Jun 17, 2026, 12:03 AM