{"schema":"threatline.record/2","record":{"id":"CVE-2015-3246","aliases":[],"summary":"Red Hat Libuser Race Condition Vulnerability","details":"Red Hat libuser contains a race condition vulnerability that allows authenticated local users to corrupt the /etc/passwd file to cause a denial of service or privilege escalation. ","categories":["Operating systems"],"product":"Libuser","vendor":"Red Hat","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2015-3246","source_modified_at":"2026-10-01T18:02:50.537Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.4,"severity":"High","kev":{"listed":true,"date_added":"2026-08-26","due_date":"2026-09-09","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.08503,"percentile":0.95035,"score_date":"2026-10-23"},"published_at":"2015-08-11T14:00:00.000Z","modified_at":"2026-10-01T18:02:50.537Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2015-3246","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-01T18:02:50.537Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/libuser_roothelper_priv_esc.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2015-07-24"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/44633","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2018-05-16"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/37706","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2015-07-27"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2015-3246","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3246","source":"CISA KEV"},{"source":"CVE List","url":"https://www.exploit-db.com/exploits/44633/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"source":"CVE List","url":"https://access.redhat.com/articles/1537873","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://blog.talosintelligence.com/uat-10147-chinese-speaking-adversary-integrates-agentic-ai-into-post-compromise-operations/","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-3246","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2026-08-27T03:56:43.101618Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Libuser roothelper Privilege Escalation","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/libuser_roothelper_priv_esc.rb","date":"2015-07-24","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Local exploit","name":"Libuser - 'roothelper' Local Privilege Escalation (Metasploit)","url":"https://www.exploit-db.com/exploits/44633","date":"2018-05-16","added":"2018-05-16","verified":true},{"source":"Exploit-DB","kind":"Local exploit","name":"Libuser - 'roothelper' Local Privilege Escalation (Metasploit)","url":"https://www.exploit-db.com/exploits/44633","date":"2018-05-16","added":"2018-05-16","verified":true},{"source":"Exploit-DB","kind":"Dos exploit","name":"Libuser Library - Multiple Vulnerabilities","url":"https://www.exploit-db.com/exploits/37706","date":"2015-07-27","added":"2015-07-27","verified":true}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T18:02:50.537Z","content_hash":"23e04d5e4748c627f30ffd4ac01e9a366fdbb873880e4d2d334c69726a97ff27"}}