CVE-2017-1000409 Memory corruption in n/a
A buffer overflow in glibc triggered via LD_LIBRARY_PATH allows attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-1000409?
CVE-2017-1000409 is a high-severity memory corruption vulnerability in Gnu Glibc, published on 1 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.
Weakness: CWE-119
Which versions are affected by CVE-2017-1000409?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2017-1000409?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-1000409 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-1000409 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2017-1000409, GHSA-6rpv-6r2m-9c95, UBUNTU-CVE-2017-1000409.