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[Japanese]
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JVNDB-2023-000111
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Remarshal unlimitedly expanding YAML alias nodes
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Remarshal provided by Remarshal Project expands YAML alias nodes unlimitedly (CWE-674), hence Remarshal is vulnerable to Billion Laughs Attack.
Taichi Kotake of Sterra Security Co.,Ltd. / Akatsuki Games Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 5.5 (Medium) [IPA Score]
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
- Access Vector: Network
- Access Complexity: Medium
- Authentication: None
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: Partial
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Remarshal Project
- Remarshal versions prior to v0.17.1
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Processing untrusted YAML files may cause a denial-of-service (DoS) condition.
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[Update the Software]
Update to the latest version according to the information provided by the developer.
The developer has released the version listed below that addresses the vulnerability.
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Remarshal Project
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- No Mapping(CWE-Other) [IPA Evaluation]
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- CVE-2023-47163
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- JVN : JVN#86156389
- National Vulnerability Database (NVD) : CVE-2023-47163
- Related document : issue#45: Current version of the YAML specification could leave implementions open to Denial of Service Attacks
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- [2023/11/10]
Web page was published
- [2024/05/08]
References : Content was added
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