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Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: PeaZIP fails to validate input in ZIP text files. π **Consequence**: Attackers can execute **arbitrary commands** on the victim's Windows system via the pipe character (|) in filenames.β¦
π‘οΈ **Root Cause**: **Input Validation Failure**. The software does not sanitize or escape special characters (specifically the pipe `|`) when processing ZIP text file names.β¦
π¦ **Affected Software**: **PeaZIP**. π **Versions**: 2.6.1, 2.5.1, and **earlier** Windows versions. π **Platform**: Windows OS.
Q4What can hackers do? (Privileges/Data)
π **Privileges**: **Remote Code Execution (RCE)**. π **Data**: The attacker gains the same privileges as the user running PeaZIP. β‘ **Action**: Can run **any command** the user is allowed to execute on the system.
Q5Is exploitation threshold high? (Auth/Config)
β οΈ **Threshold**: **Low**. π₯ **Trigger**: Victim simply needs to open or process a malicious ZIP file containing the crafted text file name.β¦
π **Public Exploit**: **Yes**. π **Reference**: Exploit-DB ID **8881** is available. π **Status**: Wild exploitation is possible since the PoC is public.
Q7How to self-check? (Features/Scanning)
π **Self-Check**: Scan for installed versions of PeaZIP β€ 2.6.1. π **Indicator**: Look for ZIP archives containing text files with names containing the pipe character `|`.β¦
π₯ **Priority**: **HIGH**. π¨ **Urgency**: Critical RCE vulnerability with public exploits. β³ **Action**: Patch immediately. Old versions are actively dangerous. π **Risk**: High likelihood of automated attacks.