Home Security Unpatched Oracle WebLogic servers targeted for mining

Malicious attackers are targeting a patched vulnerability in Oracle's WebLogic server, targeting TCP port 7001 for the purpose of mining cryptocurrencies, the security firm Trend Micro has reported.

The company said in a blog post it had observed a marked rise in the number of devices scanning this port.

It said analysis had shown that this was aimed at the Oracle WebLogic WLS-WSAT vulnerability that allows the execution of arbitrary code on unpatched servers.

The vulnerability was exploited in a manner similar to the way one in Apache's CouchDB was exploited in February, and thus it was possible that the same group was targeting WebLogic now.

This is the second time this year that the vulnerability has been targeted; in February, it was exploited to deliver 64-bit and 32-bit variants of an XMRig monero miner, Trend Micro said.

Oracle issued a patch for the flaw in October 2017.

Researcher Hubert Lin said only 155 scans had been noticed between 8 and 26 April, but the number had grown to 2640 between 27 April and 9 May, mostly from IP addresses that were based in China and Russia.

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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the sitecame into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

 

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