CVE-2018-12641 Denial of service in n/a
Stack exhaustion in GNU libiberty C++ demangling functions allows attackers to cause denial of service via crafted input.
- 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-2018-12641?
CVE-2018-12641 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 22 Jun 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 arm_pt in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30. Stack Exhaustion occurs in the C++ demangling functions provided by libiberty, and there are recursive stack frames: demangle_arm_hp_template, demangle_class_name, demangle_fund_type, do_type, do_arg, demangle_args, and demangle_nested_args. This can occur during execution of nm-new.
Weakness: CWE-400
Which versions are affected by CVE-2018-12641?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-12641?
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-2018-12641 being exploited?
There is no known exploitation of CVE-2018-12641 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as GHSA-4cqc-25m3-f64g, UBUNTU-CVE-2018-12641.