CVE-2017-6309 Memory corruption in n/a
Type confusion in tnef library allows attackers to trigger invalid memory operations, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-6309?
CVE-2017-6309 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 24 Feb 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.
Which versions are affected by CVE-2017-6309?
It affects 2 products.
Products include Debian Debian Linux, Tnef Project Tnef.
How do I fix CVE-2017-6309?
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-2017-6309 being exploited?
There is no known exploitation of CVE-2017-6309 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-6309, GHSA-69j8-qm33-j976, UBUNTU-CVE-2017-6309.