CVE-2017-12704 Memory corruption in Advantech WebAccess
Heap-based buffer overflow in Advantech WebAccess allows attackers to execute arbitrary code via improper validation of user-supplied data length.
- 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-2017-12704?
CVE-2017-12704 is a high-severity memory corruption vulnerability in Advantech Webaccess, published on 30 Aug 2017. 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
A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.
Which versions are affected by CVE-2017-12704?
It affects 1 product.
Products include Advantech Webaccess.
How do I fix CVE-2017-12704?
No fix has been published for CVE-2017-12704 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12704 being exploited?
There is no known exploitation of CVE-2017-12704 in the wild and no public exploit code.
Other vulnerabilities in Advantech Webaccess
- CVE-2014-9208 Multiple stack-based buffer overflows in unspecified DLL files in Advantech WebAccess before 8.0.1 allow remote attackers to execute arbitra
- CVE-2021-33023 Advantech WebAccess
- CVE-2021-38389 Advantech WebAccess
- CVE-2021-38408 Memory corruption in Advantech WebAccess
- CVE-2020-12019 Memory corruption in WebAccess Node
Sources
Also known as GHSA-h9cj-757c-fm2v.