CVE-2012-4512 Memory corruption in Konqueror
Remote attackers can crash Konqueror or read memory via a crafted font face source due to type confusion in the CSS parser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-4512?
CVE-2012-4512 is a high-severity memory corruption vulnerability in Kde Kde, published on 8 Feb 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to "type confusion."
Weakness: CWE-843
Which versions are affected by CVE-2012-4512?
It affects 5 products.
Products include Kde Kde, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation.
How do I fix CVE-2012-4512?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2012-4512 being exploited?
There is no known exploitation of CVE-2012-4512 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Kde Kde
Sources
Also known as GHSA-8m6q-hj66-2cmr.