CVE-2014-0771 Advantech WebAccess File and Directory Information Exposure
An attacker can trick a user into visiting a malicious page to read local files or access arbitrary URLs via the WebAccess ActiveX control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2014-0771?
CVE-2014-0771 is a high-severity vulnerability in Advantech WebAccess, published on 12 Apr 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2014-0771?
It affects 1 product.
Products include Advantech Advantech Webaccess.
How do I fix CVE-2014-0771?
No fix has been published for CVE-2014-0771 yet. Limit exposure of the affected software until one is available.
Is CVE-2014-0771 being exploited?
There is no known exploitation of CVE-2014-0771 in the wild and no public exploit code.
Other vulnerabilities in Advantech WebAccess
- CVE-2011-4524 Buffer overflow in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary code via a long string value in unspecified parameters.
- CVE-2011-4525 Code injection in n/a
- CVE-2011-4526 Memory corruption in n/a
- CVE-2012-0238 Stack-based buffer overflow in opcImg.asp in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary code via unspecified vectors.
- CVE-2012-0240 Auth bypass in n/a
Sources
Also known as GHSA-qr2q-986w-ccv6.