CVE-2019-13556 Memory corruption in WebAccess
Remote attackers can execute arbitrary code via stack-based buffer overflows in WebAccess SCADA software due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-13556?
CVE-2019-13556 is a high-severity memory corruption vulnerability in Advantech Webaccess, published on 18 Sep 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In WebAccess versions 8.4.1 and prior, multiple stack-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution.
Which versions are affected by CVE-2019-13556?
It affects 1 product.
Products include Advantech Webaccess.
How do I fix CVE-2019-13556?
No fix has been published for CVE-2019-13556 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-2019-13556 being exploited?
There is no known exploitation of CVE-2019-13556 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-rxcj-pf3v-8g36.