CVE-2012-4564 Integer overflow in n/a
Remote attackers can cause denial of service or execute arbitrary code via crafted PPM images due to integer overflow in ppm2tiff.
- 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-2012-4564?
CVE-2012-4564 is a medium-severity vulnerability in Canonical Ubuntu Linux, 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
ppm2tiff does not check the return value of the TIFFScanlineSize function, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PPM image that triggers an integer overflow, a zero-memory allocation, and a heap-based buffer overflow.
Which versions are affected by CVE-2012-4564?
It affects 8 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Libtiff Libtiff, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus and 2 more.
How do I fix CVE-2012-4564?
Apply the vendor's patch.
Is CVE-2012-4564 being exploited?
There is no known exploitation of CVE-2012-4564 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2012-4564, DSA-2575-1, GHSA-x7qp-frp5-95fm.