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SECURITY ADVISORIES
Oct 19, 2021
Hackers Infect Employees of Law Firms, Manufacturing Companies, and Financial Services Orgs. with Increasingly Pervasive Infostealer, SolarMarker
SolarMarker Infects 5X More Corporate Victims Using Over a Million Poisoned WordPress Pages Key Takeaways eSentire has observed a fivefold increase in SolarMarker infections. Prior to September, eSentire’s Threat Response Unit (TRU) detected and shut down one infection per week. Beginning in September, TRU averaged the detection and shutdown of five per week. SolarMarker is a…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1000+ organizations in 70+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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Oct 12, 2021
eSentire Launches MDR with Microsoft Azure Sentinel Extending Response Capabilities Across Entire Microsoft Security Ecosystem
Waterloo, ON – Oct. 12, 2021 -- eSentire, recognized globally as the Authority in Managed Detection and Response (MDR), today announced the expansion of its award-winning MDR services with Microsoft Azure Sentinel, as part of its integration with the complete Microsoft 365 Defender and Azure Defender product suites supporting Microsoft SIEM, endpoint, identity, email and cloud security services.…
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Security advisories — Feb 26, 2019

Apache Struts REST Plugin Vulnerability (CVE-2017-9805)

Researchers have found a critical remote code execution vulnerability in Apache Struts REST Plugin. Clients using Apache Struts versions 2.1.2 to 2.3.33, or 2.5 to 2.5.12 are highly encouraged to patch immediately.

Recommended Action

eSentire highly recommends upgrading to either Struts 2.3.34 or Struts 2.5.13 to mitigate this threat.

Additional Information

This vulnerability is addressed by ensuring your Struts version has been updated to version 2.3.34 or 2.5.13.

Public exploits have been reported, therefore patching vulnerable systems should be treated as a priority. Apache has released a security bulletin with further details on this vulnerability, as well as solutions and workarounds. Read the full bulletin here:

S2-052 - Apache Struts 2 Documentation - Apache Software Foundation