CVE-2022-21711 Out-of-bounds Read lead to application crashes or information leakage in ELF parsing.
An out-of-bounds read in elfspirit allows attackers to leak memory or crash the application via a crafted ELF file.
- 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-2022-21711?
CVE-2022-21711 is a high-severity vulnerability in liyansong2018 elfspirit, published on 24 Jan 2022. 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
elfspirit is an ELF static analysis and injection framework that parses, manipulates, and camouflages ELF files. When analyzing the ELF file format in versions prior to 1.1, there is an out-of-bounds read bug, which can lead to application crashes or information leakage. By constructing a special format ELF file, the information of any address can be leaked. elfspirit version 1.1 contains a patch for this issue.
Weakness: CWE-125
Which versions are affected by CVE-2022-21711?
It affects 1 product.
Products include Elfspirit Project Elfspirit.
How do I fix CVE-2022-21711?
No fix has been published for CVE-2022-21711 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-21711 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-21711 exists.
Sources
Also known as GHSA-jr8h-2657-m68r.