CVE-2011-4879 Information disclosure in n/a
Remote attackers can read arbitrary memory or crash the Siemens HMI web server via crafted POST requests, impacting industrial control systems.
- 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-2011-4879?
CVE-2011-4879 is a high-severity 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
miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not properly handle URIs beginning with a 0xfa character, which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request.
Weakness: CWE-20
Which versions are affected by CVE-2011-4879?
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-2011-4879?
No fix has been published for CVE-2011-4879 yet. Limit exposure of the affected software until one is available.
Is CVE-2011-4879 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4879 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m28h-wwg8-644c.