CVE-2022-43171 LIEF heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind
Attackers can cause a denial of service via a crafted MachO file due to a heap buffer overflow in the LIEF library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-43171?
CVE-2022-43171 is a medium-severity memory corruption vulnerability in n/a, published on 17 Nov 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF v0.12.1 allows attackers to cause a Denial of Service (DoS) via a crafted MachO file.
Which versions are affected by CVE-2022-43171?
3 open source packages ship an affected version, including lief. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
lief PyPI | All versions | 0.12.3 |
lief PyPI | All versions | 0.12.3 |
lief PyPI | All versions | 0.12.3 |
Products include Lief-Project Lief.
How do I fix CVE-2022-43171?
Upgrade lief to 0.12.3 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-43171 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43171 exists.
Other vulnerabilities in n/a
- CVE-2021-32297 LIEF heap-buffer-overflow
- CVE-2022-38306 LIEF vulnerable to heap based buffer overflow
- CVE-2022-38495 LIEF vulnerable to heap based buffer overflow via print_binary function
- CVE-2022-40922 LIEF vulnerable to denial of service through segmentation fault
- CVE-2022-40923 LIEF vulnerable to denial of service through segmentation fault
Sources
Also known as GHSA-jvp9-phwp-p738, PYSEC-2022-43140.