Metrics
Affected Vendors & Products
Wed, 08 Oct 2025 19:15:00 +0000
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Metrics |
ssvc
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Wed, 08 Oct 2025 19:00:00 +0000
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cvssV4_0
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cvssV4_0
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Wed, 08 Oct 2025 13:45:00 +0000
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First Time appeared |
Netsarang
Netsarang xftp Netsarang xlpd Netsarang xmanager Netsarang xmanager Enterprise Netsarang xshell |
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Vendors & Products |
Netsarang
Netsarang xftp Netsarang xlpd Netsarang xmanager Netsarang xmanager Enterprise Netsarang xshell |
Tue, 07 Oct 2025 21:15:00 +0000
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Description | NetSarang Xmanager Enterprise 5.0 Build 1232, Xmanager 5.0 Build 1045, Xshell 5.0 Build 1322, Xftp 5.0 Build 1218, and Xlpd 5.0 Build 1220 contain a malicious nssock2.dll that implements a multi-stage, DNS-based backdoor. The dormant library contacts a C2 DNS server via a specially crafted TXT record for a month‑generated domain. After receiving a decryption key, it then downloads and executes arbitrary code, creates an encrypted virtual file system (VFS) in the registry, and grants the attacker full remote code execution, data exfiltration, and persistence. NetSarang released builds for each product line that remediated the compromise: Xmanager Enterprise Build 1236, Xmanager Build 1049, Xshell Build 1326, Xftp Build 1222, and Xlpd Build 1224. Kaspersky Lab identified an instance of exploitation in the wild in August 2017. | |
Title | NetSarang v5.0 Malicious Backdoor Supply Chain Compromise | |
Weaknesses | CWE-506 | |
References |
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Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2025-10-07T21:01:40.739Z
Updated: 2025-10-08T18:48:00.203Z
Reserved: 2025-04-15T19:15:22.578Z
Link: CVE-2025-34252

Updated: 2025-10-08T18:29:33.767Z

Status : Awaiting Analysis
Published: 2025-10-07T21:15:38.077
Modified: 2025-10-08T19:38:09.863
Link: CVE-2025-34252

No data.