{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-59334", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-09-12T12:36:24.635Z", "datePublished": "2025-09-16T16:48:34.887Z", "dateUpdated": "2025-09-16T18:26:18.183Z"}, "containers": {"cna": {"title": "Linkr allows manifest tampering leading to arbitrary file injection", "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.7, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/mohammadzain2008/Linkr/security/advisories/GHSA-6wph-mpv2-29xv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mohammadzain2008/Linkr/security/advisories/GHSA-6wph-mpv2-29xv"}, {"name": "https://github.com/mohammadzain2008/Linkr/commit/182e5ddaa51972e144005b500c4bcebf2fd1a6c0", "tags": ["x_refsource_MISC"], "url": "https://github.com/mohammadzain2008/Linkr/commit/182e5ddaa51972e144005b500c4bcebf2fd1a6c0"}], "affected": [{"vendor": "mohammadzain2008", "product": "Linkr", "versions": [{"version": "< 2.0.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-09-16T16:48:34.887Z"}, "descriptions": [{"lang": "en", "value": "Linkr is a lightweight file delivery system that downloads files from a webserver. Linkr versions through 2.0.0 do not verify the integrity or authenticity of .linkr manifest files before using their contents, allowing a tampered manifest to inject arbitrary file entries into a package distribution. An attacker can modify a generated .linkr manifest (for example by adding a new entry with a malicious URL) and when a user runs the extract command the client downloads the attacker-supplied file without verification. This enables arbitrary file injection and creates a potential path to remote code execution if a downloaded malicious binary or script is later executed. Version 2.0.1 adds a manifest integrity check that compares the checksum of the original author-created manifest to the one being extracted and aborts on mismatch, warning if no original manifest is hosted. Users should update to 2.0.1 or later. As a workaround prior to updating, use only trusted .linkr manifests, manually verify manifest integrity, and host manifests on trusted servers."}], "source": {"advisory": "GHSA-6wph-mpv2-29xv", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/mohammadzain2008/Linkr/security/advisories/GHSA-6wph-mpv2-29xv", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-09-16T17:29:16.497619Z", "id": "CVE-2025-59334", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-16T18:26:18.183Z"}}]}}

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