CVE-2022-43171: LIEF heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind

CVE-2022-43171 · Severity: low · CVSS 3.1 · Published 2022-11-17

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.

Technologies: lief (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2022-43171 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2022-43171 being exploited in the wild.
How severe is CVE-2022-43171?
Low severity, with a CVSS score of 3.1, published 17 November 2022.
Which products and versions are affected?
lief (PyPI) ECOSYSTEM:introduced=0,fixed=0.12.3.
Is there a fix for CVE-2022-43171?
Yes. lief (PyPI): upgrade to 0.12.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2022-43171?
Check whether you run lief (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • lief (PyPI): upgrade to 0.12.3 or later
    pip install "lief>=0.12.3"

Affected products

  • lief (PyPI) ECOSYSTEM:introduced=0,fixed=0.12.3

Identifiers

  • CVE-2022-43171
  • GHSA-jvp9-phwp-p738
  • PYSEC-2022-43140

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