CVE-2017-7227 Memory corruption in n/a
A heap-based buffer overflow in the GNU linker allows attackers to cause a denial of service via a crafted input script.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7227?
CVE-2017-7227 is a high-severity memory corruption vulnerability in Gnu Binutils, published on 22 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GNU linker (ld) in GNU Binutils 2.28 is vulnerable to a heap-based buffer overflow while processing a bogus input script, leading to a program crash. This relates to lack of '\0' termination of a name field in ldlex.l.
Weakness: CWE-119
Which versions are affected by CVE-2017-7227?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-7227?
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-2017-7227 being exploited?
There is no known exploitation of CVE-2017-7227 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-7227, GHSA-xgmh-4vh7-2fjj, UBUNTU-CVE-2017-7227.