CVE-2020-26234 Disabled Hostname Verification in OpenCast

Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for...

CVE-2020-26234

Opencast versions before 8.9 and 7.9 disable HTTPS hostname verification in its HTTP client, enabling potential MITM attacks. Root cause: hostname verification was disabled for a large portion of HTTP requests. Affected component/file: Opencast HTTP client. Impact: confidentiality/integrity conce...

Oblivious DNS-over-HTTPS

This new protocol, called Oblivious DNS-over-HTTPS ODoH, hides the websites you visit from your ISP. Heres how it works: ODoH wraps a layer of encryption around the DNS query and passes it through a proxy server, which acts as a go-between the internet user and the website they want to visit...

Hackers-For-Hire Group Develops New 'PowerPepper' In-Memory Malware

Cybersecurity researchers on Thursday disclosed details of a previously undiscovered in-memory Windows backdoor developed by a hacker-for-hire operation that can execute remotely malicious code and steal sensitive information from its targets in Asia, Europe, and the US. Dubbed "PowerPepper" by...

DeathStalker APT Spices Things Up with PowerPepper Malware

The DeathStalker advanced persistent threat APT group has a hot new weapon: A highly stealthy backdoor that researchers have dubbed PowerPepper, used to spy on targeted systems. DeathStalker offers mercenary, espionage-for-hire services targeting the financial and legal sectors, according to...

What did DeathStalker hide between two ferns?

DeathStalker is a threat actor thats been active since at least 2012, and we exposed most of their past activities in a previous article, as well as during a GREAT Ideas conference in August 2020. The actor drew our attention in 2018 because of distinctive attack characteristics that didnt fit in...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Canto <= 1.7.0 - Unauthenticated Blind SSRF

The plugin is affected by Blind SSRF issues via the domain parameter in three files: /includes/lib/tree.php, /includes/lib/detail.php and /includes/lib/get.php. All requests to the arbitrary domain/IP will be made with the HTTPS protocol PoC The PoC will be displayed once the issue has been...

openSUSE Security Update : c-ares (openSUSE-2020-2092)

This update for c-ares fixes the following issues : Version update to 1.17.0 - CVE-2020-8277: Fixed a Denial of Service through DNS request bsc1178882 - For further details see https://c-ares.haxx.se/changelog.html This update was imported from the SUSE:SLE-15:Update update project. C Tenable...

Bunkerized-Nginx - Nginx Docker Image Secure By Default

nginx Docker image secure by default. Avoid the hassle of following security best practices each time you need a web server or reverse proxy. Bunkerized-nginx provides generic security configs, settings and tools so you don't need to do it yourself. Non-exhaustive list of features : HTTPS support...

CVE-2019-14553

Improper authentication in EDK II may allow a privileged user to potentially enable information disclosure via network access...

Demystifying two common misconceptions with e-commerce security

Online shopping has seen a dramatic increase in the months following the Covid-19 outbreak as more and more people opt-out of visiting physical stores. Such a phenomenon does not go unnoticed or without additional consequences. During the same time period, we have seen an increase in the usual...

DNS Rebinding Attack

firefox is vulnerable to DNS rebinding attack. The vulnerability exists as DNS over HTTPS intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver, and when a IPv4 address was mapped through IPv6...

Free MP3 CD Ripper 2.8 Buffer Overflow

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule "Free MP3 CD Ripper 2.6 %q This module exploits a buffer overflow in Free MP3 CD Ripper versions 2.6 and 2.8. By constructing a specially crafted...

MGASA-2020-0427 Updated firefox and nss packages fix security vulnerabilities

When drawing a transparent image on top of an unknown cross-origin image, the Skia library drawImage function took a variable amount of time depending on the content of the underlying image. This resulted in potential cross-origin information exposure of image content through timing side-channel...