CVE-2015-8984 Denial of service in n/a
Attackers can cause application crashes in software using glibc via malformed patterns in fnmatch, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8984?
CVE-2015-8984 is a medium-severity denial of service vulnerability in Gnu Glibc, published on 20 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The fnmatch function in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash) via a malformed pattern, which triggers an out-of-bounds read.
Weakness: CWE-125
Which versions are affected by CVE-2015-8984?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2015-8984?
Upgrade to a fixed version.
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-2015-8984 being exploited?
There is no known exploitation of CVE-2015-8984 in the wild and no public exploit code.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2015-8984, GHSA-cpjm-j6p4-7vf4, UBUNTU-CVE-2015-8984.