transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
References
Configurations
Configuration 1 (hide)
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Information
Published : 2010-06-07 10:12
Updated : 2018-10-10 12:58
NVD link : CVE-2010-2023
Mitre link : CVE-2010-2023
JSON object : View
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Products Affected
exim
- exim