CVE-2018-9138 Denial of service in n/a
Stack exhaustion in GNU libiberty C++ demangling functions allows attackers to cause a denial of service via recursive stack frames.
- 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-2018-9138?
CVE-2018-9138 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 30 Mar 2018. 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 cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.29 and 2.30. Stack Exhaustion occurs in the C++ demangling functions provided by libiberty, and there are recursive stack frames: demangle_nested_args, demangle_args, do_arg, and do_type.
Weakness: CWE-674
Which versions are affected by CVE-2018-9138?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-9138?
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-2018-9138 being exploited?
There is no known exploitation of CVE-2018-9138 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2018-9138, GHSA-cwff-w289-23wm, UBUNTU-CVE-2018-9138.