CVE-2012-4513 Memory corruption in n/a
Remote attackers can crash Konqueror or read memory by providing large canvas dimensions, requiring user interaction to view the content.
- 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-2012-4513?
CVE-2012-4513 is a medium-severity memory corruption vulnerability in Kde Kde, published on 11 Nov 2012. 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
khtml/imload/scaledimageplane.h in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via large canvas dimensions, which leads to an unexpected sign extension and a heap-based buffer over-read.
Weakness: CWE-119
Which versions are affected by CVE-2012-4513?
It affects 1 product.
Products include Kde Kde.
How do I fix CVE-2012-4513?
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-2012-4513 being exploited?
There is no known exploitation of CVE-2012-4513 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-w3c5-x9m9-p26v.