{"id":"CVE-2009-1235","aliases":["EUVD-2009-1234","GHSA-79gj-w7hg-rmmw"],"status":"published","title":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict...","description":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict interaction between user space and the HFS IOCTL handler, which allows local users to overwrite kernel memory and gain privileges by attaching an HFS+ disk image and performing certain steps involving HFS_GET_BOOT_INFO fcntl calls.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00979,"percentile":0.62431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2009-04-02T17:00:00Z","modified":"2026-06-16T23:06:49Z","exploits":[{"source":"exploitdb","id":"EDB-8266","title":"Apple Mac OSX xnu 1228.x - 'hfs-fcntl' Kernel Privilege Escalation","type":"local","platform":"osx","date":"2009-03-23","verified":true,"url":"https://www.exploit-db.com/exploits/8266"}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"mac_os_x_server"}],"references":[{"url":"http://support.apple.com/kb/HT3757","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/0822","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/36096","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/34424","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.c","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"]},{"url":"http://www.digit-labs.org/files/exploits/xnu-hfs-fcntl-v2.sh","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/34203","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://www.exploit-db.com/exploits/8266","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://www.securitytracker.com/id?1022671","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=216401181","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/2172","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-218A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1235"},{"url":"https://github.com/advisories/GHSA-79gj-w7hg-rmmw"}],"sources":{"cve":[{"id":"CVE-2009-1235","description":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict interaction between user space and the HFS IOCTL handler, which allows local users to overwrite kernel memory and gain privileges by attaching an HFS+ disk image and performing certain steps involving HFS_GET_BOOT_INFO fcntl calls.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49.363Z","updated_at":"2026-11-02T14:33:25.516454Z"}],"euvd":[{"id":"EUVD-2009-1234","description":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict interaction between user space and the HFS IOCTL handler, which allows local users to overwrite kernel memory and gain privileges by attaching an HFS+ disk image and performing certain steps involving HFS_GET_BOOT_INFO fcntl calls.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49Z","updated_at":"2026-11-03T01:39:22.935477Z"}],"ghsa":[{"id":"GHSA-79gj-w7hg-rmmw","title":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict...","description":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict interaction between user space and the HFS IOCTL handler, which allows local users to overwrite kernel memory and gain privileges by attaching an HFS+ disk image and performing certain steps involving HFS_GET_BOOT_INFO fcntl calls.","status":"published","published":"2022-05-02T03:22:56Z","modified":"2023-01-31T05:08:14Z","updated_at":"2026-11-02T14:49:21.399059Z"}],"nvd":[{"id":"CVE-2009-1235","description":"XNU 1228.9.59 and earlier on Apple Mac OS X 10.5.6 and earlier does not properly restrict interaction between user space and the HFS IOCTL handler, which allows local users to overwrite kernel memory and gain privileges by attaching an HFS+ disk image and performing certain steps involving HFS_GET_BOOT_INFO fcntl calls.","status":"published","published":"2009-04-02T17:30:00.327Z","modified":"2026-06-16T23:06:49.57Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:34.44527Z"}]}}