CVE-2020-15530

An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\SYSTEM privileges because some parts of %PROGRAMFILESX86%\Steam and/or %COMMONPROGRAMFILESX86%\Steam have weak permissions during a critical time window. An attacker can make this time...

UsoDllLoader - Windows - Weaponizing Privileged File Writes With The Update Session Orchestrator Service

2020-06-06 Update: this trick no longer works on the latest builds of Windows 10 Insider Preview. This means that, although it still works on the mainstream version ofWindows 10, you should expect it to be patched in the coming months. Description This PoC shows a technique that can be used to...

The psychology of social engineering—the “soft” side of cybercrime

Forty-eight percent of people will exchange their password for a piece of chocolate,1 91 percent of cyberattacks begin with a simple phish,2 and two out of three people have experienced a tech support scam in the past 12 months.3 What do all of these have in common? They make use of social...

CVE-2020-15351

IDrive before 6.7.3.19 on Windows installs by default to %PROGRAMFILESX86%\IDriveWindows with weak folder permissions granting any user modify permission i.e., NT AUTHORITY\Authenticated Users:OICIM to the contents of the directory and its sub-folders. In addition, the program installs a service...

CVE-2020-15351

IDrive prior to 6.7.3.19 on Windows installs to %PROGRAMFILES(X86)%\IDriveWindows with weak folder permissions (Authenticated Users: modify) and runs a LocalSystem service (IDriveService). This enables a local user to escalate to SYSTEM by replacing the service binary with a malicious one. Affect...

How to Use OpenSSL with a Windows Certificate Authority to Generate TLS Certificates to use with XenServer

This article describes how to create a certificate using OpenSSL in combination with a Windows Certificate Authority that can be used with aXenServer 7.1 CU2 or XenServer 7.0 host To enable trusted TLScommunication betweenCitrix Hypervisor and Citrix Virtual Apps and Desktops, a trusted certifica...

DEBIAN-CVE-2017-9103

An issue was discovered in adns before 1.5.2. papmailbox822 does not properly check st from adnsfindlabelnext. Without this, an uninitialised stack value can be used as the first label length. Depending on the circumstances, an attacker might be able to trick adns into crashing the calling progra...

DEBIAN-CVE-2017-9106

An issue was discovered in adns before 1.5.2. adnsrrinfo mishandles a bogus datap. The general pattern for formatting integers is to sprintf into a fixed-size buffer. This is correct if the input is in the right range; if it isn't, the buffer may be overrun depending on the sizes of the types on...

UBUNTU-CVE-2017-9106

An issue was discovered in adns before 1.5.2. adnsrrinfo mishandles a bogus datap. The general pattern for formatting integers is to sprintf into a fixed-size buffer. This is correct if the input is in the right range; if it isn't, the buffer may be overrun depending on the sizes of the types on...

FF Sandbox Escape (CVE-2020-12388)

By James Forshaw, Project Zero In my previous blog post I discussed an issue with the Windows Kernel’s handling of Restricted Tokens which allowed me to escape the Chrome GPU sandbox. Originally I’d planned to use Firefox for the proof-of-concept as Firefox uses the same effective sandbox level a...

CVE-2020-13162

CVE-2020-13162 (Pulse Secure TOCTOU Privilege Escalation) affects Pulse Secure Windows clients, specifically the Desktop Client and Standalone Installer Service. The vulnerability is a time-of-check to time-of-use race in PulseSecureService.exe that runs with SYSTEM privileges, allowing an unpriv...

Citrix PKI troubleshooting Guide.

How to use this Guide: First go through the checklist to determine the type of problem. Then review client testing information to narrow down the scope. If a Certificate installation is needed on the IIS Server or ADC, The directions are given below for various scenarios. Checklist: √ DNS:...

PT-2021-6018

Name of the Vulnerable Software and Affected Versions urllib3 versions prior to 1.26.5 Description The issue is related to an HTTP client vulnerability in Python urllib3, which is associated with uncontrolled resource consumption. Exploitation of the vulnerability may allow a remote attacker to...

DEBIAN-CVE-2020-10754

It was found that nmcli, a command line interface to NetworkManager did not honour 802-1x.ca-path and 802-1x.phase2-ca-path settings, when creating a new profile. When a user connects to a network using this profile, the authentication does not happen and the connection is made insecurely...

CVE-2020-12431

A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with...

Privilege escalation

A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with...

CVE-2020-12431

A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with...

CVE-2020-12431

The CVE-2020-12431 entry describes a Windows local privilege escalation in Splashtop Software Updater (before 1.5.6.16) due to insecure permissions on the updater’s configuration file and a named pipe, enabling a forced permission change of Splashtop files/directories and DLL hijacking to achieve...

UBUNTU-CVE-2020-12244

An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation...

Ubuntu: Security Advisory (USN-4363-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 Greenbone AG 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-only ifdescription...