Dahlia  Muller

Dahlia Muller


What is Nuxt 2020?

With the increasing popularity of Nuxt.js the core team and authors have not been sitting still. In February Sebastien will talk about the progression and plans for Nuxt.js in 2020.

Youtube channel: Vuejs Amsterdam - https://www.youtube.com/watch?v=9CkfX6LgNUU

#nuxt #nuxt.js

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What is Nuxt 2020?
Brain  Crist

Brain Crist


Citrix Bugs Allow Unauthenticated Code Injection, Data Theft

Multiple vulnerabilities in the Citrix Application Delivery Controller (ADC) and Gateway would allow code injection, information disclosure and denial of service, the networking vendor announced Tuesday. Four of the bugs are exploitable by an unauthenticated, remote attacker.

The Citrix products (formerly known as NetScaler ADC and Gateway) are used for application-aware traffic management and secure remote access, respectively, and are installed in at least 80,000 companies in 158 countries, according to a December assessment from Positive Technologies.

Other flaws announced Tuesday also affect Citrix SD-WAN WANOP appliances, models 4000-WO, 4100-WO, 5000-WO and 5100-WO.

Attacks on the management interface of the products could result in system compromise by an unauthenticated user on the management network; or system compromise through cross-site scripting (XSS). Attackers could also create a download link for the device which, if downloaded and then executed by an unauthenticated user on the management network, could result in the compromise of a local computer.

“Customers who have configured their systems in accordance with Citrix recommendations [i.e., to have this interface separated from the network and protected by a firewall] have significantly reduced their risk from attacks to the management interface,” according to the vendor.

Threat actors could also mount attacks on Virtual IPs (VIPs). VIPs, among other things, are used to provide users with a unique IP address for communicating with network resources for applications that do not allow multiple connections or users from the same IP address.

The VIP attacks include denial of service against either the Gateway or Authentication virtual servers by an unauthenticated user; or remote port scanning of the internal network by an authenticated Citrix Gateway user.

“Attackers can only discern whether a TLS connection is possible with the port and cannot communicate further with the end devices,” according to the critical Citrix advisory. “Customers who have not enabled either the Gateway or Authentication virtual servers are not at risk from attacks that are applicable to those servers. Other virtual servers e.g. load balancing and content switching virtual servers are not affected by these issues.”

A final vulnerability has been found in Citrix Gateway Plug-in for Linux that would allow a local logged-on user of a Linux system with that plug-in installed to elevate their privileges to an administrator account on that computer, the company said.

#vulnerabilities #adc #citrix #code injection #critical advisory #cve-2020-8187 #cve-2020-8190 #cve-2020-8191 #cve-2020-8193 #cve-2020-8194 #cve-2020-8195 #cve-2020-8196 #cve-2020-8197 #cve-2020-8198 #cve-2020-8199 #denial of service #gateway #information disclosure #patches #security advisory #security bugs

Shawn  Durgan

Shawn Durgan


Qualcomm Bugs Open 40 Percent of Android Handsets to Attack

Researchers identified serious flaws in Qualcomm’s Snapdragon SoC and the Hexagon architecture that impacts nearly half of Android handsets.

Six serious bugs in Qualcomm’s Snapdragon mobile chipset impact up to 40 percent of Android phones in use, according research released at the DEF CON Safe Mode security conference Friday.

The flaws open up handsets made by Google, Samsung, LG, Xiaomi and OnePlus to DoS and escalation-of-privileges attacks – ultimately giving hackers control of targeted handsets. Slava Makkaveev, a security researcher with Check Point, outlined his discoveryand said while Qualcomm has provided patches for the bug, most OEM handset makers have not yet pushed out the patches.

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The faulty Qualcomm component is the mobile chip giant’s Snapdragon SoC and the Hexagon architecture. Hexagon a brand name for Qualcomm’s digital signal processor (DSP), part of the SoC’s microarchitecture. DSP controls the processing of real-time request between the Android user environment and the Snapdragon processor’s firmware – in charge of turning voice, video and services such GPS location sensors into computationally actionable data.

Makkaveev said the DSP flaws can be used to harvest photos, videos, call recordings, real-time microphone data, and GPS and location data. A hacker could also cripple a targeted phone or implant malware that would go undetected.

The six flaws are CVE-2020-11201, CVE-2020-11202, CVE-2020-11206, CVE-2020-11207, CVE-2020-11208 and CVE-2020-11209. Using a fuzzing technique against handsets with the vulnerable chipset, Check Point was able to identify 400 discrete attacks.

The prerequisite for exploiting the vulnerabilities is the target would need to be coaxed into downloading and running a rogue executable.

Qualcomm declined to answer specific questions regarding the bugs and instead issued a statement:

“Providing technologies that support robust security and privacy is a priority for Qualcomm. Regarding the Qualcomm Compute DSP vulnerability disclosed by Check Point, we worked diligently to validate the issue and make appropriate mitigations available to OEMs. We have no evidence it is currently being exploited. We encourage end users to update their devices as patches become available and to only install applications from trusted locations such as the Google Play Store.” – Qualcomm Spokesperson

The flaws were brought to Qualcomm’s attention between February and March. Patches developed by Qualcomm in July. A cursory review of vulnerabilities patched in the July and August Google Android Security Bulletins reveal patches haven’t been yet been pushed to handsets. For that reason, Check Point chose not to reveal technical specifics of the flaws.

What technical details that are available can be found in a DEF CON Safe Mode video posted to online. Here Makkaveev shares some technical specifics.

#hacks #mobile security #vulnerabilities #cve-2020-11201 #cve-2020-11202 #cve-2020-11206 #cve-2020-11207 #cve-2020-11208 #cve-2020-11209 #def con safe mode #digital signal processor #dos #dsp #escalation of privileges attack #google #hexagon architecture #lg #oneplus #qualcomm #samsung #snapdragon #soc #xiaomi

Dahlia  Muller

Dahlia Muller


What is Nuxt 2020?

With the increasing popularity of Nuxt.js the core team and authors have not been sitting still. In February Sebastien will talk about the progression and plans for Nuxt.js in 2020.

Youtube channel: Vuejs Amsterdam - https://www.youtube.com/watch?v=9CkfX6LgNUU

#nuxt #nuxt.js

Dahlia  Muller

Dahlia Muller


What is Nuxt 2020?

With the increasing popularity of Nuxt.js the core team and authors have not been sitting still. In February Sebastien will talk about the progression and plans for Nuxt.js in 2020.

#nuxt #nuxt.js

Justyn  Ortiz

Justyn Ortiz


Cisco Warns of Severe DoS Flaws in Network Security Software

Cisco has stomped out a slew of high-severity vulnerabilities across its lineup of network-security products. The most severe flaws can be exploited by an unauthenticated, remote attacker to launch a passel of malicious attacks — from denial of service (DoS) to cross-site request forgery (CSRF).

The vulnerabilities exist in Cisco’s Firepower Threat Defense (FTD) software, which is part of its suite of network-security and traffic-management products; and its Adaptive Security Appliance (ASA) software, the operating system for its family of ASA corporate network-security devices.

“The Cisco Product Security Incident Response Team is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory,” according to Cisco in an update released on Wednesday.

The most severe of these flaws includes a vulnerability in Cisco Firepower Chassis Manager (FCM), which exists in the Firepower Extensible Operating System (FXOS) and provides management capabilities.

The flaw (CVE-2020-3456) ranks 8.8 out of 10 on the CVSS scale, and stems from insufficient CSRF protections in the FCM interface. It could be exploited to enable CSRF — which means that when attackers are authenticated on the server, they also have control over the client.

“An attacker could exploit this vulnerability by persuading a targeted user to click a malicious link,” according to Cisco. “A successful exploit could allow the attacker to send arbitrary requests that could take unauthorized actions on behalf of the targeted user.”

Cisco FXOS Software is affected when it is running on Firepower 2100 Series Appliances (when running ASA Software in non-appliance mode), Firepower 4100 Series Appliances and Firepower 9300 Series Appliances.

Four other high-severity vulnerabilities across Cisco’s Firepower brand could be exploited by an unauthenticated, remote attacker to cripple affected devices with a DoS condition. These include a flaw in Firepower’s Management Center Software (CVE-2020-3499), Cisco Firepower 2100 Series firewalls (CVE-2020-3562), Cisco Firepower 4110 appliances (CVE-2020-3571) and Cisco Firepower Threat Defense Software (CVE-2020-3563 and CVE-2020-3563).

Cisco also patched multiple DoS flaws in its Adaptive Security Appliance software, including ones tied to CVE-2020-3304CVE-2020-3529CVE-2020-3528CVE-2020-3554CVE-2020-3572and CVE-2020-3373 that could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly.

Another flaw of note, in the web services interface of Cisco Adaptive Security Appliance and Firepower Threat Defense, could allow an unauthenticated, remote attacker to upload arbitrary-sized files to specific folders on an affected device, which could lead to an unexpected device reload.

The flaw stems from the software not efficiently handling the writing of large files to specific folders on the local file system.

The new security alerts come a day after Cisco sent out an advisory warning that a flaw (CVE-2020-3118) the Cisco Discovery Protocol implementation for Cisco IOS XR Software was being actively exploited by attackers. The bug, which could be exploited by unauthenticated, adjacent attackers, could allow them to execute arbitrary code or cause a reload on an affected device.

#vulnerabilities #web security #adaptive security appliance #bugs #cisco #cross-site request forgery #csrf #cve-2020-3456 #cve-2020-3499 #cve-2020-3562 #cve-2020-3563 #cve-2020-3571 #denial of service #dos #firepower threat defense #patches #security vulnerabilities