CVE-2011-4875 Memory corruption in n/a
Remote attackers can execute arbitrary code on Siemens WinCC HMI systems via a stack-based buffer overflow when Transfer Mode is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-4875?
CVE-2011-4875 is a critical memory corruption vulnerability in n/a, published on 3 Feb 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime, when Transfer Mode is enabled, allows remote attackers to execute arbitrary code via vectors related to Unicode strings.
Weakness: CWE-119
Which versions are affected by CVE-2011-4875?
It affects 5 products.
Products include Siemens Simatic Hmi Panels, Siemens Wincc, Siemens Wincc Flexible, Siemens Wincc Flexible Runtime, Siemens Wincc Runtime Advanced.
How do I fix CVE-2011-4875?
No fix has been published for CVE-2011-4875 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-2011-4875 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4875 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v2qv-37fh-hjmr.