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computer vulnerability note CVE-2012-5159

phpMyAdmin: backdoor in server_sync.php

Synthesis of the vulnerability

One server from was distributing a phpMyAdmin archive with a backdoor.
Impacted products: phpMyAdmin.
Severity of this bulletin: 3/4.
Consequences of an intrusion: privileged access/rights, user access/rights.
Hacker's origin: internet server.
Creation date: 26/09/2012.
Références of this threat: BID-55672, CERTA-2012-AVI-523, CVE-2012-5159, PMASA-2012-5, VIGILANCE-VUL-11979.

Description of the vulnerability

The phpMyAdmin software is distributed via SourceForge.

The Korean "cdnetworks-kr-1" mirror contained an altered version of the archive A new file named "server_sync.php" was added in the archive (VIGILANCE-ACTU-3590). This script evaluates the posted "c" variable (with "eval($_POST['c'])").

An attacker can therefore directly access to the web page "server_sync.php", in order to execute code on the server.
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