pentestProeasy

Pochta (Mail)

hackerlab

Task: Compromise a Roundcube Webmail server. Solution: Discover exposed update.zip backup via directory enumeration, extract MySQL credentials from config.inc.php, reuse credentials for IMAP login, then exploit CVE-2025-49113 (authenticated RCE via PHP deserialization) to get shell and read the flag.

backup_exposure credential_leak cve deserialization imap rce roundcube webmail

backup_file_discoveryblind_rceconfig_credential_extractioncredential_reusecve_exploitation

$ ls tags/ techniques/

backup_exposure credential_leak cve deserialization imap rce roundcube webmail

backup_file_discoveryblind_rceconfig_credential_extractioncredential_reusecve_exploitation

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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