GitHub Advisoryadvisory · PyPI

GHSA-gw7g-qr8w-3448 Remarshal expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack

HIGH Published 2023-11-13 Modified 2024-10-26 Official page ↗
Aliases
CVE-2023-47163
Ecosystem
PyPI
Packages
remarshal
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400, CWE-674
Reviewed
2023-11-14

Affected packages

• PyPI remarshal: < 0.17.1 → fixed in 0.17.1

Description

Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.

Related

Alias · CVE (1)

  • CVE-2023-47163 Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. vulnerability

Weakness · CWE (2)

  • CWE-400 Uncontrolled Resource Consumption weakness
  • CWE-674 Uncontrolled Recursion weakness

References