CVE-2017-9146 Memory corruption in n/a
Remote attackers can cause denial of service or potential code execution via a crafted TNEF file due to improper memory allocation handling in the ytnef library.
- 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-2017-9146?
CVE-2017-9146 is a high-severity memory corruption vulnerability in n/a, published on 22 May 2017. 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 TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.
Weakness: CWE-119
Which versions are affected by CVE-2017-9146?
It affects 1 product.
Products include Ytnef Project Ytnef.
How do I fix CVE-2017-9146?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-9146 being exploited?
There is no known exploitation of CVE-2017-9146 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-9146, GHSA-798c-jx77-ccgp, UBUNTU-CVE-2017-9146.