PAN-OS Buffer overflow vulnerability (CVE-2020-2040)

Within a span of three months, one more critical vulnerability with a score of 10.0 has been observed in PAN-OS devices. When a Captive Portal or Multi-factor authentication interface is enabled on PAN-OS devices, it is considered to be vulnerable to critical buffer overflow vulnerability. This vulnerability is classified as CWE-120 and assigned CVE-2020-2040, on … Continue reading “PAN-OS Buffer overflow vulnerability (CVE-2020-2040)”

WordPress File Manager Plugin Remote Code Execution Vulnerability

Overview: On 1st September 2020, researchers at Wordfence published a blog regarding a remote code execution vulnerability in WordPress File Manager plugin. Successful exploitation of this vulnerability allows unauthenticated remote attackers to execute commands and upload malicious files and shells on a target website. The vulnerability currently does not have any CVE assigned to it … Continue reading “WordPress File Manager Plugin Remote Code Execution Vulnerability”

Cisco Jabber for Windows Multiple Vulnerabilities (CVE-2020-3495)

Overview Cisco has addressed four vulnerabilities in Cisco Jabber for Windows. The most critical of these vulnerabilities, CVE-2020-3495, when exploited, allows an attacker to execute arbitrary code via a crafted chat message. Description Cisco Jabber is an instant messaging and video-conferencing application. Cisco Jabber uses the Chromium Embedded Framework (CEF) to embed a Chromium-based web … Continue reading “Cisco Jabber for Windows Multiple Vulnerabilities (CVE-2020-3495)”

Slack Remote Code Execution Vulnerability

Overview A critical remote code execution vulnerability was found in the Slack desktop application. Successful exploitation of this vulnerability gives attacker full control over the Slack desktop app and access to private channels, conversations, passwords, tokens, keys etc. Oskarsv, the security researcher who reported the vulnerability says “With any in-app redirect – logic/open redirect, HTML … Continue reading “Slack Remote Code Execution Vulnerability”

Cisco IOS XR DVMRP Memory Exhaustion Vulnerabilities

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)”