Race Condition Vulnerability in LXD's doUidshiftIntoContainer() Function

CVE-2015-1340 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker's choice.

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