CVE-2018-6323 Integer overflow in n/a
A crafted ELF file triggers an integer overflow in the BFD library, causing a denial of service via application crash.
- 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-2018-6323?
CVE-2018-6323 is a high-severity vulnerability in Gnu Binutils, published on 26 Jan 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
The elf_object_p function in elfcode.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29.1, has an unsigned integer overflow because bfd_size_type multiplication is not used. A crafted ELF file allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
Weakness: CWE-190
Which versions are affected by CVE-2018-6323?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-6323?
Apply the vendor's patch.
Is CVE-2018-6323 being exploited?
There is no known exploitation of CVE-2018-6323 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2018-6323, GHSA-6j25-67w4-83v9, UBUNTU-CVE-2018-6323.