CVE-2012-4432 Use after free in n/a
Remote attackers can execute arbitrary code via a use-after-free flaw in OptiPNG's palette reduction, requiring user interaction to process a malicious file.
- 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
- None listed
What is CVE-2012-4432?
CVE-2012-4432 is a high-severity use after free vulnerability in n/a, published on 1 Oct 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
Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to "palette reduction."
Weakness: CWE-399
Which versions are affected by CVE-2012-4432?
It affects 1 product.
Products include Optipng Optipng.
How do I fix CVE-2012-4432?
No fix has been published for CVE-2012-4432 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2012-4432 being exploited?
There is no known exploitation of CVE-2012-4432 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7wr9-wqrq-wjv4.