CVE-2019-7150 Denial of service in n/a
A crafted core file can cause a segmentation fault in elfutils, leading to a denial-of-service condition in tools like eu-stack.
- 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-2019-7150?
CVE-2019-7150 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 29 Jan 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
An issue was discovered in elfutils 0.175. A segmentation fault can occur in the function elf64_xlatetom in libelf/elf32_xlatetom.c, due to dwfl_segment_report_module not checking whether the dyn data read from a core file is truncated. A crafted input can cause a program crash, leading to denial-of-service, as demonstrated by eu-stack.
Weakness: CWE-125
Which versions are affected by CVE-2019-7150?
It affects 11 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Elfutils Project Elfutils, Opensuse Leap, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop and 5 more.
How do I fix CVE-2019-7150?
Upgrade to a fixed version.
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-2019-7150 being exploited?
There is no known exploitation of CVE-2019-7150 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2019-7150, DEBIAN-CVE-2019-7150, GHSA-32w9-wxmj-7cv4, UBUNTU-CVE-2019-7150.