DOS

Pierluigi Paganini November 24, 2021
Expert discloses details of flaws in Oracle VirtualBox

A vulnerability in Oracle VM VirtualBox could be potentially exploited to compromise the hypervisor and trigger a denial-of-service (DoS) condition. A vulnerability in Oracle VM VirtualBox, tracked as CVE-2021-2442, could be potentially exploited to compromise the hypervisor and trigger a DoS condition. The vulnerability was discovered by Max Van Amerongen from SentinelLabs, it received a CVSS […]

Pierluigi Paganini November 10, 2021
Citrix addresses a critical flaw in ADC, Gateway

Citrix addressed two vulnerabilities affecting Citrix ADC, Gateway, and SD-WAN, one of them is a critical issue leading to DoS. Citrix has released security updates to address two vulnerabilities in ADC, Gateway, and SD-WAN, including a critical flaw, tracked as CVE-2021-22955, that can be exploited to trigger a denial of service (DoS) condition. The CVE-2021-22955 […]

Pierluigi Paganini August 20, 2021
Internet Systems Consortium (ISC) fixes High-Severity DoS flaw in BIND DNS Software

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. The Internet Systems Consortium (ISC) has released security updates to address a high-severity denial-of-service (DoS) vulnerability, tracked as CVE-2021-25218, that affects its BIND DNS software. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of […]

Pierluigi Paganini July 21, 2021
LPE flaw in Linux kernel allows attackers to get root privileges on most distros

Experts discovered a Local Privilege Escalation, tracked as CVE-2021-33909, that could allow attackers to get root access on most Linux distros. Qualys researchers discovered a local privilege escalation (LPE) tracked as CVE-2021-33909, aka Sequoia, an unprivileged attacker can exploit the flaw to get root privileges on most Linux distros. The issue is a size_t-to-int type […]

Pierluigi Paganini July 17, 2021
Cisco fixes high-risk DoS flaw in ASA, FTD Software

Cisco addressed a high severity DoS vulnerability in the Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) software. Cisco this week released security updates for a high severity vulnerability in the Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) products. The flaw resides in the software cryptography module of both ASA and FTD […]

Pierluigi Paganini April 16, 2021
Critical RCE can allow attackers to compromise Juniper Networks devices

Cybersecurity provider Juniper Networks addressed a critical vulnerability that could be exploited by attackers to remotely hijack or disrupt vulnerable devices. Cybersecurity vendor Juniper Networks addressed a critical vulnerability in Junos OS, tracked as CVE-2021-0254, that could allow an attacker to remotely hijack or disrupt affected devices. This flaw stems from the improper buffer size […]

Pierluigi Paganini April 01, 2021
US CISA warns of DoS flaws in Citrix Hypervisor

Citrix addressed vulnerabilities in Hypervisor that could be exploited by threat actors to execute code in a virtual machine to trigger a denial of service condition on the host. US CISA warns that Citrix has released security updates to address flaws in Hypervisor that could be exploited by threat actors to execute code in a […]

Pierluigi Paganini March 25, 2021
OpenSSL Project released 1.1.1k version to fix two High-severity flaws

The OpenSSL Project addresses two high-severity vulnerabilities, including one related to verifying a certificate chain and one that can trigger a DoS condition. The OpenSSL Project this week released version 1.1.1k to address two high-severity vulnerabilities, respectively tracked as CVE-2021-3450 and CVE-2021-3449. The CVE-2021-3449 vulnerability could be exploited to trigger a DoS condition by sending a […]

Pierluigi Paganini February 23, 2021
IBM addressed flaws in Java Runtime, Planning Analytics Workspace, Kenexa LMS

IBM has released security patches to address high- and medium-severity vulnerabilities impacting some of its enterprise solutions.  IBM has released security updates to address several high- and medium-severity flaws affecting some of its enterprise products, including IBM Java Runtime, IBM Planning Analytics Workspace, and IBM Kenexa LMS On Premise.  Two issues, tracked as CVE-2020-14782 and […]

Pierluigi Paganini January 14, 2021
Expert discovered a DoS vulnerability in F5 BIG-IP systems

A security researcher discovered a flaw in the F5 BIG-IP product that can be exploited to conduct denial-of-service (DoS) attacks. The security expert Nikita Abramov from Positive Technologies discovered a DoS vulnerability, tracked as CVE-2020-27716, that affects certain versions of F5 BIG-IP Access Policy Manager (APM). The F5 BIG-IP Access Policy Manager is a secure, flexible, […]