CVE-2020-25533

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Summary:

An issue was discovered in Malwarebytes before 4.0 on macOS. A malicious application was able to perform a privileged action within the Malwarebytes launch daemon. The privileged service improperly validated XPC connections by relying on the PID instead of the audit token. An attacker can construct a situation where the same PID is used for running two different programs at different times, by leveraging a race condition during crafted use of posix_spawn.

Reference Links(if available):

  • https://wojciechregula.blog/post/learn-xpc-exploitation-part-2-say-no-to-the-pid/
  • CVSS Score (if available)

    v2: / MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

    v3: / HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

    Links to Exploits(if available)