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Spawn elevated pneuma via CVE-2021-3156

Tactic: Privilege-escalation
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Spawn a beacon using the Heap-Based Buffer Overflow in Sudo (Baron Samedit) identified in CVE-2021-3156. Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument ending with a single backslash character.
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Authors

khyberspache

worawit wangwarunyoo

Tactic

Privilege-escalation

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Baron Samedit (Spawn Agent)

2021-08-10

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Leverage a Heap-Based Buffer Overflow in Sudo to spawn an elevated agent.
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