CVE-2018-7642 Null dereference in n/a
Remote attackers can cause a denial of service via a crafted ELF file processed by the BFD library in GNU Binutils.
- 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-2018-7642?
CVE-2018-7642 is a medium-severity vulnerability in Gnu Binutils, published on 2 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
The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.
Weakness: CWE-476
Which versions are affected by CVE-2018-7642?
It affects 4 products.
Products include Gnu Binutils, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.
How do I fix CVE-2018-7642?
Upgrade to a fixed version.
Is CVE-2018-7642 being exploited?
There is no known exploitation of CVE-2018-7642 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as ALPINE-CVE-2018-7642, CVE-2018-14038, DEBIAN-CVE-2018-7642, GHSA-m75f-wcjq-49mw, UBUNTU-CVE-2018-7642.