Moderate
CVE-2020-15612 — CentOS Web Panel Authentication Bypass/RCE
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Description
URL
Type
CVE-2020-15612 — CentOS Web Panel Authentication Bypass/RCE
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of CentOS Web Panel cwp-e17.0.9.8.923. Authentication is not required to exploit this vulnerability. The specific flaw exists within ajax_ftp_manager.php. When parsing the userLogin parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9737.
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Ratings
-
Attacker ValueMedium
-
ExploitabilityVery High
Technical Analysis
This is a web hosting control panel for CentOS, sort of like cPanel. RCE in one of these could mean compromised user websites and data. Web hosting used to be super popular in the 2000s, but it has largely been supplanted by cheap virtualization and “cloud” platforms, IMHO.
I make some assumptions about this vuln, since the code is ionCube-protected, so there’s no source, only PHP bytecode. Setup is also a nightmare, and there are no provisions for tracking or rolling back changes. Patching can get sketchy.
I did not analyze the vuln, as attempting to install an older version of the software consequently broke it, and deobfuscating ionCube takes a significant amount of time.
CVSS V3 Severity and Metrics
General Information
Vendors
- CentOS Web Panel
Products
- CentOS Web Panel
References
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
What do we mean by "exploited in the wild"?
By selecting this, you are verifying to the AttackerKB community that either you, or a reputable source (example: a security vendor or researcher), has observed an active attempt by attackers, or IOCs related, to exploit this vulnerability outside of a research environment.
A vulnerability should also be considered "exploited in the wild" if there is a publicly available PoC or exploit (example: in an exploitation framework like Metasploit).
