CVE-2011-4530 Denial of service in n/a
Remote attackers can crash the Siemens Automation License Manager daemon by sending excessively long fields, causing a denial of service.
- 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-2011-4530?
CVE-2011-4530 is a medium-severity denial of service vulnerability in n/a, published on 8 Jan 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function.
Weakness: CWE-20
Which versions are affected by CVE-2011-4530?
It affects 1 product.
Products include Siemens Automation License Manager.
How do I fix CVE-2011-4530?
No fix has been published for CVE-2011-4530 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-4530 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4530 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
- CVE-2016-8565 Missing authorization in n/a
- CVE-2018-11455 Path traversal in Automation License Manager 5, Automation License Manager 6
- CVE-2022-43513 Path traversal in Automation License Manager V5
- CVE-2020-7583 Missing authorization in Automation License Manager 5
- CVE-2022-43514 Path traversal in Automation License Manager V5
Sources
Also known as GHSA-9wc8-4g2q-8xv5.