CVE-2021-3674 Memory corruption in rizin
Crafted ELF headers in Rizin can cause out-of-bounds reads leading to memory corruption and potential code execution.
- 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-2021-3674?
CVE-2021-3674 is a high-severity memory corruption vulnerability in rizin, published on 24 Mar 2023. 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
A flaw was found in rizin. The create_section_from_phdr function allocates space for ELF section data by processing the headers. Crafted values in the headers can cause out of bounds reads, which can lead to memory corruption and possibly code execution through the binary object's callback function.
Which versions are affected by CVE-2021-3674?
It affects 1 product.
Products include Rizin Rizin.
How do I fix CVE-2021-3674?
No fix has been published for CVE-2021-3674 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-3674 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-3674 exists.
Other vulnerabilities in rizin
- CVE-2024-31668 rizin before v0.6.3 is vulnerable to Improper Neutralization of Special Elements via meta_set function in librz/analysis/meta.
- CVE-2023-40022 Rizin vulnerable to Integer Overflow in C++ demangler logic
- CVE-2023-27590 Rizin has stack-based buffer overflow when parsing GDB registers profile files
- CVE-2022-36039 Out-of-bounds write when parsing DEX files in Rizin
- CVE-2022-36040 Rizin Out-of-bounds Write vulnerability in pyc/marshal.c
Sources
Also known as GHSA-28pv-xxcq-fr89.