Cisco has released a security advisory on multiple memory exhaustion vulnerabilities in the Cisco IOS XR devices. These vulnerabilities allow an unauthenticated attacker to exhaust the process memory of an affected device. Vulnerabilities Description: Distance Vector Multicast Routing Protocol (DVMRP) is a protocol for multicast routing. The vulnerabilities exist in the DVMRP feature of Cisco … Continue reading “Cisco IOS XR DVMRP Memory Exhaustion Vulnerabilities”
Pulse Connect Secure And Policy Secure Code Injection Vulnerability (CVE-2020-8218)
On July 29th, 2020, Pulse issued a security advisory addressing multiple vulnerabilities in Pulse Connect Secure (PCS) and Pulse Policy Secure (PPS) with severity marked as High. Among the multiple vulnerabilities, CVE-2020-8218 was identified as a Code Injection vulnerability with a CVSSv3 base score 7.2. Vulnerability Details: PPS is a standards-based and scalable NAC solution … Continue reading “Pulse Connect Secure And Policy Secure Code Injection Vulnerability (CVE-2020-8218)”
Apache HTTP2 Header Memory Corruption Vulnerability (CVE-2020-9490, CVE-2020-11984, CVE-2020-11993)
Summary Apache, officially known as Apache HTTP Server, is an open-source and free web server software that powers most of the websites around the world. Recently, one Critical and two High severity flaws were fixed in Apache httpd 2.4.44. These flaws were tracked as CVE-2020-9490, CVE-2020-11984, and CVE-2020-11993 – out of which, CVE-2020-9490 is the … Continue reading “Apache HTTP2 Header Memory Corruption Vulnerability (CVE-2020-9490, CVE-2020-11984, CVE-2020-11993)”
Multiple Vulnerabilities in Openfire Admin Console
Openfire is a group chat server for the Extensible Messaging and Presence Protocol (XMPP). It is written in Java and licensed under the Apache License 2.0. Two vulnerabilities, CVE-2019-18394 and CVE-2019-18393, were reported in Openfire Admin Console by a Penetration Testing Expert, Alexandr Shvetsov. Vulnerability Details CVE-2019-18394 – Full Read SSRF Vulnerability A Server-Side Request … Continue reading “Multiple Vulnerabilities in Openfire Admin Console”
Jenkins Server Memory Corruption Vulnerability (CVE-2019-17638)
Overview Jenkins recently released updates for the critical memory corruption vulnerability (CVE-2019-17638) in the Jetty web server. Successful exploitation of this vulnerability may allow unauthenticated users to obtain sensitive information through HTTP response headers. Jenkins is typically run as a standalone application in its own process with the built-in Java servlet container or application server … Continue reading “Jenkins Server Memory Corruption Vulnerability (CVE-2019-17638)”
Apache Struts 2 Remote Code Execution Vulnerability (CVE-2019-0230, CVE-2019-0233)
Apache Struts Security Team has addressed two possible RCE bugs – CVE-2019-0230 and CVE-2019-0233 in their latest advisories published on August 13, 2020. Description Struts 2 is an open source coding framework for companies to create Java-based applications. The installations of Apache Struts 2, which are outdated, can be tentatively used to exploit CVE-2019-0230 as … Continue reading “Apache Struts 2 Remote Code Execution Vulnerability (CVE-2019-0230, CVE-2019-0233)”
Windows Print Spooler Elevation of Privilege Vulnerability (CVE-2020-1337)
On Aug 11th 2020, Microsoft issued a security advisory addressing the Elevation of Privilege vulnerability (CVE-2020-1337) in Windows Print Spooler service. The vulnerability has a CVSS score of 7.8 and severity marked as Important. Vulnerability Details: Windows Print Spooler is a service that participates in the Print Services system. Windows Print Spooler service was found … Continue reading “Windows Print Spooler Elevation of Privilege Vulnerability (CVE-2020-1337)”
Zero-Day Vulnerabilities in Microsoft (CVE-2020-1464, CVE-2020-1380)
For August 2020 Patch Tuesday, Microsoft has rolled out 120 security updates across 13 different products including Windows, Edge (EdgeHTML-based and Chromium-based), Office, Internet Explorer (IE), ChakraCore and Developer Tools such as .NET Framework, ASP.NET, and Visual Studio. Out of these vulnerabilities, 17 are classified as Critical and 103 are classified as Important. The 17 … Continue reading “Zero-Day Vulnerabilities in Microsoft (CVE-2020-1464, CVE-2020-1380)”
vBulletin pre-auth Remote Code Execution Vulnerability
vBulletin is a well-known forum software worldwide. Recently a pre-auth RCE was observed that bypasses CVE-2019-16759, September 2019 vBulletin patch. Security researcher Amir Etemadieh (Zenfox) has discovered this zero day and has published POC in various formats in his blog on 9th Aug,2020. Description The vulnerability exists in the dynamic creation of widgets at ajax/render/widget_tabbedcontainer_tab_panel. … Continue reading “vBulletin pre-auth Remote Code Execution Vulnerability”
Google Chrome CSP Bypass Vulnerability (CVE-2020-6519)
Overview A Content Security Policy bypass vulnerability (CVE-2020-6519) exists in Google’s Chromium-based browsers, which could allow attackers to steal data and execute arbitrary codes. Content Security Policy (CSP) is a set of rules that helps detect which content sources can be trusted and which ones should be blocked. CSP helps detect and mitigate certain types of … Continue reading “Google Chrome CSP Bypass Vulnerability (CVE-2020-6519)”
