CVE-2017-1000408 Denial of service in n/a
A memory leak in glibc can be amplified via the LD_HWCAP_MASK environment variable, potentially leading to denial of service.
- 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-2017-1000408?
CVE-2017-1000408 is a high-severity denial of service 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 memory leak in glibc 2.1.1 (released on May 24, 1999) can be reached and amplified through the LD_HWCAP_MASK environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.
Weakness: CWE-772
Which versions are affected by CVE-2017-1000408?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2017-1000408?
Apply the vendor's patch.
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-2017-1000408 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-1000408 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2017-1000408, GHSA-h374-m7g3-c2ww, UBUNTU-CVE-2017-1000408.