Hackers exploit 2018 ThinkPHP flaws to install ‘Dama’ web shells
Chinese threat actors are targeting ThinkPHP applications vulnerable to CVE-2018-20062 and CVE-2019-9082 to install a persistent web shell named Dama. [...]
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Background for this topic.
An exploit is code, data, or a sequence of actions that uses a software, hardware, or configuration vulnerability to produce unintended behavior. Depending on the flaw and the attacker’s access, it may enable unauthorized code execution, privilege escalation, information disclosure, or denial of service. Exploitation can occur remotely through exposed services, web applications, or client software, or locally after an attacker gains limited access.
Exploitation matters because a vulnerability becomes an active attack path when the required conditions are reachable and exploitable. Defenders should inventory affected assets, prioritize remediation when exploitation is known or credible, apply patches or vendor mitigations, and reduce exposure through access controls, segmentation, and secure configuration. Monitoring for exploit-specific indicators—such as abnormal requests, unexpected processes, or privilege changes—supports detection; systems suspected of successful exploitation require containment and investigation for follow-on access.
Chinese threat actors are targeting ThinkPHP applications vulnerable to CVE-2018-20062 and CVE-2019-9082 to install a persistent web shell named Dama. [...]
Researchers have published a proof-of-concept (PoC) exploit script demonstrating a chained remote code execution (RCE) vulnerability on Progress Telerik Report Servers. [...]