NSFOCUS Found Multiple Vulnerabilities in Schneider Pelco Sarix professional Cameras
March 6, 2018
Multiple vulnerabilities were found by NSFOCUS researchers in Schneider Pelco Sarix professional Cameras. These vulnerabilities included: CVE# Vulnerability Severity CVE-2018-7227 Information Disclosure Medium CVE-2018-7228 Admin Privilege Authentication Bypass High CVE-2018-7229 Admin Privilege Authentication Bypass High CVE-2018-7230 XML External Entity Vulnerability High CVE-2018-7231 Command Execution – ‘system.opkg.remove’ Critical CVE-2018-7232 Command Execution – ‘network.ieee8021x.delete_certs’ Critical CVE-2018-7233 Command […]
Deep Analysis of Memcached Large DRDoS Attacks – China Telecom DamDDoS & NSFOCUS Jointly Released
March 5, 2018
Recently, many domestic and foreign security companies and agencies issued warnings about the Memcached Distributed Reflection Denial of Service attack, which aroused the concern of all parties. According to our monitoring, the peak traffic for this attack has now reached 1.35T. On Feb. 27, Memcached’s reflection DDoS attacks ranged from hundreds of megabytes to a maximum of […]
Jackson-databind RCE Vulnerability Handling Guide (CVE-2017-17485)
January 25, 2018
At the beginning of 2018, jackson-databind was reported to contain another remote code execution (RCE) vulnerability (CVE-2017-17485) that affects versions 2.9.3 and earlier, 2.7.9.1 and earlier, and 2.8.10 and earlier. This vulnerability is caused by jackson-dababind’s incomplete blacklist. An application that uses jackson-databind will become vulnerable when the enableDefaultTyping method is called via the ObjectMapper […]
Technical Analysis and Recommended Solution of GoAhead httpd/2.5 to 3.5 LD_PRELOAD Remote Code Execution Vulnerability (CVE-2017-17562)
January 5, 2018
A remote RCE vulnerability (CVE-2017-17562) was found in all GoAhead Web Server’s versions earlier than 3.6.5. The vulnerability is a result of initializing the environment of forked CGI scripts using untrusted HTTP request parameters, and will affect all users who have CGI support enabled with dynamically linked executables (CGI scripts). This behavior, when combined with […]
Traceback of a DDoS Attack
January 1, 2018
An abnormal increase in the CPU usage of a telecom carrier’s 4G firewall substantially slowed down the access from some iPhone users to the Apple website. We suspected that the carrier was hit by a DDoS attack. With the visualized traceback function of NSFOCUS Big Data Security Analytics (BSA), we made a drill-down analysis of […]
