Evolution of the Internet and Accompanying Cyber Threats The fast growth of the Internet has brought constant changes to our lives. More than a decade ago, the egress bandwidth of 100 Mbps was available only to a small number of users, but today links with Tbps-level bandwidths are nothing unusual....
Year: 2019
Microsoft Excel Remote Code Execution Vulnerability (CVE-2019-1297) Threat Alert
Overview Microsoft released security updates for September that address a remote code execution vulnerability (CVE-2019-1297) in Microsoft Excel. This vulnerability exists in Microsoft Excel when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current...
Weaver E-cology OA System Remote Code Execution Vulnerability Threat Alert
Vulnerability Description On September 19, 2019, the Weaver e-cology OA system was reported to contain a remote code execution vulnerability. This vulnerability exists in the BeanShell component of the Weaver OA system. This component comes with the system and allows unauthorized access. Attackers could exploit this vulnerability to directly execute...
Fastjson 1.2.60 and Earlier Remote Code Execution Vulnerability Threat Alert
1 Vulnerability Description On September 18, a security researcher submitted Fastjson remediation code on Alibaba's official GitHub to prevent new exploits of the Fastjson deserialization remote code execution vulnerability. An attacker could exploit this vulnerability to remotely execute malicious code to compromise the server. (more…)
Exim Remote Code Execution Vulnerability (CVE-2019-15846) Threat Alert
Vulnerability Description Recently, Linux's mail transfer agent Exim was reported to contain a remote code execution vulnerability (CVE-2019-15846). When the Exim server is accepting TLS connections, attackers could exploit this vulnerability to remotely execute arbitrary code with root privileges by sending an SNI ending in a backslash-null sequence. By default,...
Fastjson Remote Denial-of-Service Vulnerability Threat Alert
Vulnerability Description Recently, multiple versions of fastjson have been found to contain a remote denial-of-service (DoS) vulnerability. An attacker could exploit a flaw in the processing logic of fastjson to exhaust memory and CPU resources of the server via a maliciously crafted json string, leading to a denial of service....
