Local Privilege Escalation Vulnerability in Crossroads 2.81

CVE-2018-18654 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

Crossroads 2.81 does not properly handle the /tmp directory during a build of xr. A local attacker can first create a world-writable subdirectory in a certain location under the /tmp directory, wait until a user process copies xr there, and then replace the entire contents of this subdirectory to include a Trojan horse xr.

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