CVE-2012-3425 Denial of service in n/a
Remote attackers can cause a denial of service via out-of-bounds read in libpng when processing crafted PNG images with large avail_in fields.
- 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-2012-3425?
CVE-2012-3425 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 13 Aug 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
The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large avail_in field value in a PNG image.
Weakness: CWE-119
Which versions are affected by CVE-2012-3425?
It affects 5 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Libpng Libpng, Opensuse Opensuse, Redhat Libpng.
How do I fix CVE-2012-3425?
Upgrade to a fixed version.
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-2012-3425 being exploited?
There is no known exploitation of CVE-2012-3425 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as AZL-41176, GHSA-2q8q-w58c-r6vg.