Apache Dubbo Deserialization Vulnerability Notice (CVE-2023-23638)
March 14, 2023
Overview Recently, NSFOCUS CERT detected that Apache officially issued a security notice, fixing an Apache Dubbo deserialization vulnerability (CVE-2023-23638). Due to the flaws in Apache Dubbo’s deserialization security check, remote attackers can construct malicious data packets to conduct deserialization attacks, and finally execute arbitrary code on the target system. Affected users are requested to take […]
A New Botnet Family Discovered by NSFOCUS
March 13, 2023
Background Recently NSFOCUS Security Labs detected a batch of suspicious ELF files spreading widely. Further analysis confirmed that these ELF samples belonged to a new botnet family. We named the family “Peachy Botnet” according to the signature information left by the Bot author in the sample. The Peachy Botnet began to spread as early as […]
Indian Government Agencies Targeted in Phishing Attacks by APT Group SideCopy
March 13, 2023
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 by the security company Quick […]
Fortinet FortiOS and FortiProxy Remote Code Execution Vulnerability Notice (CVE-2023-25610)
March 12, 2023
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 device or perform a DoS […]
Multiple Apache HTTP Server Security Vulnerabilities
March 10, 2023
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, a non-specific pattern will match […]
Bread Crumbs of Threat Actors (Feb 13 – 26, 2023)
March 10, 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 of hosts affected by APT […]
The Hong Kong Institute of Bankers – Cybersecurity Solutions Day
March 9, 2023
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 to discuss how to protect […]
Microsoft Word Remote Code Execution Vulnerability (CVE-2023-21716)
March 8, 2023
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 # # # *), an attacker can exploit […]
Key Technologies for Software Supply Chain Security – Detection Techniques (Part 1) – Software Composition Analysis
March 6, 2023
Software supply chain security detection techniques must cover the software delivery life cycle, including software design, building, testing, and operation. There are mainly five types of security detection techniques, namely software composition analysis (SCA), static application security testing (SAST), dynamic application security testing (DAST), interactive application security testing (IAST), and FUZZ testing. Each of these […]
GitLab Cross-Site Scripting (XSS) Vulnerability (CVE-2023-0050)
March 5, 2023
Overview Recently, NSFOCUS CERT found that GitLab has issued an official security notice to fix a cross-site scripting vulnerability in GitLab Community Edition (CE) and Enterprise Edition (EE) (CVE-2023-0050). A remote attacker with low privileges can cause the client to store XSS through a specially crafted Kroki diagram, and finally perform arbitrary operations on the […]
