Fedora: Security Advisory for libldb (FEDORA-2021-c2d8628d33)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCE

The plugin suffers from an arbitrary file upload issue in page where a Form from the plugin is embed, as any file can be uploaded. The uploaded filename might be hard to guess as it's generated with md5uniqidrand, however, in the case of misconfigured servers with Directory listing enabled,...

Perkiler malware turns to SMB brute force to spread

Researchers at Guardicore have identified a new infection vector being used by the Perkiler malware where internet-facing Windows machines are breached through SMB password brute force. Perkiler is a complex Windows malware with rootkit components that is dropped by the Purple Fox exploit kit EK...

Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

More than a week after Microsoft released a one-click mitigation tool to mitigate cyberattacks targeting on-premises Exchange servers, the company disclosed that patches have been applied to 92% of all internet-facing servers affected by the ProxyLogon vulnerabilities. The development, a 43%...

golang-github-gorilla-websocket: integer overflow leads to denial of service

An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker could use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections...

[SECURITY] Fedora 32 Update: tor-0.4.5.7-1.fc32

The Tor network is a group of volunteer-operated servers that allows people to improve their privacy and security on the Internet. Tor's users employ this network by connecting through a series of virtual tunnels rather than makin g a direct connection, thus allowing both organizations and...

Microsoft Exchange Servers See ProxyLogon Patching Frenzy

The patching level for Microsoft Exchange Servers that are vulnerable to the ProxyLogon group of security bugs has reached 92 percent, according to Microsoft. The computing giant tweeted out the stat earlier this week – though of course patching won’t fix already-compromised machines. Still, that...

Purple Fox Rootkit Can Now Spread Itself to Other Windows Computers

Purple Fox , a Windows malware previously known for infecting machines by using exploit kits and phishing emails, has now added a new technique to its arsenal that gives it worm-like propagation capabilities. The ongoing campaign makes use of a "novel spreading technique via indiscriminate port...

[SECURITY] Fedora 33 Update: tor-0.4.5.7-1.fc33

The Tor network is a group of volunteer-operated servers that allows people to improve their privacy and security on the Internet. Tor's users employ this network by connecting through a series of virtual tunnels rather than makin g a direct connection, thus allowing both organizations and...

CVE-2021-1799

A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access...

SilverFish: Swiss firm accesses servers linked to SolarWinds hackers

By Deeba Ahmed The group used many different methods to attack their victims apart from exploiting the vulnerability in Texas-based firm SolarWinds software. This is a post from HackRead.com Read the original post: SilverFish: Swiss firm accesses servers linked to SolarWinds hackers...

[SECURITY] Fedora 34 Update: evolution-mapi-3.39.3-1.fc34

This package allows Evolution to interact with MS Exchange 2007 servers...

Security update for connman (moderate)

openSUSE Security Update: Security update for connman Announcement ID: openSUSE-SU-2021:0452-1 Rating: moderate References: 1181751 Cross-References: CVE-2021-26675 CVE-2021-26676 CVSS scores: CVE-2021-26675 NVD : 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-26676 NVD : 6.5...

Java Deserialization Suspicious Traffic

An insecure deserialization vulnerability exists in web servers that accept serialized java objects from the user. Successful exploitation might allow an attacker to execute arbitrary code on an affected web server that accepts a serialized java object...

[SECURITY] Fedora 34 Update: salt-3002.5-1.fc34

Salt is a distributed remote execution system used to execute commands and query data. It was developed in order to bring the best solutions found in the world of remote execution together and make them better, faster and more malleable. Salt accomplishes this via its ability to handle larger loa...

In-the-Wild Series: October 2020 0-day discovery

Posted by Maddie Stone, Project Zero In October 2020, Google Project Zero discovered seven 0-day exploits being actively used in-the-wild. These exploits were delivered via "watering hole" attacks in a handful of websites pointing to two exploit servers that hosted exploit chains for Android,...

CVE-2020-17525

Subversion's modauthzsvn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in...

CVE-2020-17525 Remote unauthenticated denial-of-service in Subversion mod_authz_svn

Subversion's modauthzsvn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in...

Exchange Cyberattacks Escalate as Microsoft Rolls One-Click Fix

As dangerous attacks accelerate against Microsoft Exchange Servers in the wake of the disclosure around the ProxyLogon group of security bugs, a public proof-of-concept PoC whirlwind has started up. It’s all leading to a feeding frenzy of cyber-activity. The good news, however, is that Microsoft...

Null pointer dereference

Varnish varnish-modules before 0.17.1 allows remote attackers to cause a denial of service daemon restart in some configurations. This does not affect organizations that only install the Varnish Cache product; however, it is common to install both Varnish Cache and varnish-modules. Specifically, ...