CVE-2019-7664 Integer overflow in n/a
A crafted ELF file triggers a negative-sized memcpy due to an incorrect overflow check, causing a segmentation fault and denial of service.
- 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-2019-7664?
CVE-2019-7664 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 9 Feb 2019. 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
In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of an incorrect overflow check. Crafted elf input causes a segmentation fault, leading to denial of service (program crash).
Weakness: CWE-787
Which versions are affected by CVE-2019-7664?
It affects 8 products.
Products include Elfutils Project Elfutils, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 2 more.
How do I fix CVE-2019-7664?
Upgrade to a fixed version.
Is CVE-2019-7664 being exploited?
There is no known exploitation of CVE-2019-7664 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux
Sources
Also known as ALPINE-CVE-2019-7664, DEBIAN-CVE-2019-7664, GHSA-mvjm-8853-rpx4.