CVE-2023-49558 Denial of service in n/a
A remote attacker can cause a denial of service in the YASM assembler via the expand_mmac_params function.
- 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
- None listed
What is CVE-2023-49558?
CVE-2023-49558 is a medium-severity denial of service vulnerability in n/a, published on 2 Jan 2024. 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 in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the expand_mmac_params function in the modules/preprocs/nasm/nasm-pp.c component.
Which versions are affected by CVE-2023-49558?
It affects 1 product.
Products include Yasm Project Yasm.
How do I fix CVE-2023-49558?
No fix has been published for CVE-2023-49558 yet. Limit exposure of the affected software until one is available.
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-2023-49558 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-49558 exists.
Other vulnerabilities in n/a
Sources
Also known as AZL-33358, AZL-35386, DEBIAN-CVE-2023-49558, GHSA-w3p5-6w9w-p383, UBUNTU-CVE-2023-49558.