CVE-2012-1109 Denial of service in mwlib
Attackers can cause a denial of service in mwlib by exploiting a flaw in parsing #iferror magic functions.
- 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-2012-1109?
CVE-2012-1109 is a high-severity denial of service vulnerability in Python mwlib, published on 12 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mwlib 0.13 through 0.13.4 has a denial of service vulnerability when parsing #iferror magic functions
Weakness: CWE-755
Which versions are affected by CVE-2012-1109?
It affects 1 product.
Products include Pediapress Mwlib.
How do I fix CVE-2012-1109?
No fix has been published for CVE-2012-1109 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-2012-1109 being exploited?
There is no known exploitation of CVE-2012-1109 in the wild and no public exploit code.
Sources
Also known as GHSA-2mmf-r54m-7994.