An issue in handling file permissions was addressed with improved validation. This issue is fixed in macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan, macOS High Sierra 10.13. A local attacker may be able to execute non-executable text files via an SMB share.
Link | Tags |
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https://support.apple.com/en-us/HT208221 | vendor advisory |
https://support.apple.com/en-us/HT208144 | vendor advisory |