Improper file permissions handling in macOS Server and macOS - CVE-2007-0117
Published: December 10, 2016
Vulnerability identifier: #VU1245
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2007-0117
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Apple Inc.
Affected software:
macOS Server
macOS
macOS Server
macOS
Detailed vulnerability description
The vulnerability allows a local user to escalation privileges on vulnerable system.
The vulnerability exists in diskutil tool within DiskManagement framework when handling BOM files. A local user can create a specially crafted BOM file, run diskutil with specially crafted BOM file and replace permissions for arbitrary files on vulnerable system.
Successful exploitation of this vulnerability allows a local unprivileged user to elevate his privileges and gain root access to vulnerable system.
Note: the vulnerability is being actively exploited.
How to mitigate CVE-2007-0117
Cybersecurity Help is not aware of any official solution to address this vulnerability.