Overview NSFOCUS detected a malicious macro file named "Cyber Advisory 2023.docm " last month and confirmed that the document was delivered by Pakistan APT group SideCopy to lure the target to open and read while downloading the Trojan horse ReverseRAT to receive CnC instructions to steal data. SideCopy was disclosed...
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Fortinet FortiOS and FortiProxy Remote Code Execution Vulnerability Notice (CVE-2023-25610)
Overview Recently, NSFOCUS CERT found that Fortinet officially issued a security notice to fix a Fortinet FortiOS and FortiProxy remote code execution vulnerability (CVE-2023-25610). Due to the heap buffer underflow flaw in the management interface of FortiOS and FortiProxy, an unauthenticated remote attacker can execute arbitrary code on the target...
Multiple Apache HTTP Server Security Vulnerabilities
Overview Recently, NSFOCUS CERT found that Apache has issued an official security notice to fix multiple Apache HTTP Server vulnerabilities. Affected users should take protective measures as soon as possible. Apache HTTP Server Request Smuggling Vulnerability (CVE-2023-25690): When mod_ When proxy is enabled with some form of RewriteRule or ProxyPassMatch,...
Bread Crumbs of Threat Actors (Feb 13 – 26, 2023)
From 13 to 26 February 2023, NSFOCUS Security Labs found activity clues from 66 APT groups, one malware family (CoinMiner), and 426 threat actors targeting critical infrastructure. APT Groups Among the 66 APT groups discovered, the APT28 affected the most significant number of hosts from 13 to 26 February. Number...
The Hong Kong Institute of Bankers – Cybersecurity Solutions Day
Smart Cybersecurity Defence for the Future, March 8, 2023, Hong Kong Convention and Exhibition Centre, Hong Kong NSFOCUS participated Cybersecurity Solutions Day hosted by The Hong Kong Institute of Bankers as a Platinum Sponsor. Our Principal Security Solution Architect David Gao attended The Hong Kong Institute of Bankers Cybersecurity Solutions Day as a panel speaker...
Microsoft Word Remote Code Execution Vulnerability (CVE-2023-21716)
Overview Recently, NSFOCUS CERT found the PoC that disclosed Microsoft Word remote execution code vulnerability (CVE-2023-21716) on the Internet. Because the RTF parser in Microsoft Word will trigger a heap corruption vulnerability when processing a font table (* fonttbl *) that contains too many fonts (* f # # #...
