Detecting Kernel Memory Disclosure – Whitepaper

Posted by Mateusz Jurczyk, Project Zero Since early 2017, we have been working on Bochspwn Reloaded – a piece of dynamic binary instrumentation built on top of the Bochs IA-32 software emulator, designed to identify memory disclosure vulnerabilities in operating system kernels. Over the course of...

PT-2018-3944 · Cisco · Nexus 5600 Platform Switches +18

Name of the Vulnerable Software and Affected Versions: Cisco FXOS Software and Cisco NX-OS Software affected versions not specified Firepower 4100 Series Next-Generation Firewalls affected versions not specified Firepower 9300 Security Appliance affected versions not specified MDS 9000 Series...

There are unspecified vulnerabilities in Request

Request is an HTTP request client library . A security vulnerability exists in Request versions 2.2.6 through 2.47.0 and 2.51.0 through 2.67.0. An attacker could exploit this vulnerability to disclose local system memory...

Information disclosure

An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel...

Information disclosure

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

CVE-2018-8246

CVE-2018-8246 affects Microsoft Excel and related Office components. The connected advisories describe an information-disclosure vulnerability caused by the inclusion of uninitialized memory when processing parsed expressions in FORMULA records within Excel workbooks, allowing disclosure of sensi...

CVE-2018-8239

CVE-2018-8239 — Windows GDI Information Disclosure Vulnerability affects Windows Server 2016, Windows 10, and Windows 10 Server variants. The root cause is that the Windows GDI component improperly discloses the contents of memory (an information-disclosure flaw). An attacker could exploit this b...

CVE-2018-8239

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

Unspecified vulnerability in https-proxy-agent

https-proxy-agent is an implementation of an HTTP or HTTPS proxy. A security vulnerability exists in https-proxy-agent. An attacker can exploit this vulnerability to cause a denial of service and disclose memory...

Microsoft Excel Viewer 2007 Service Pack 3 Information Disclosure Vulnerability (KB4022151)

This host is missing an important security update according to Microsoft KB4022151 SPDX-FileCopyrightText: 2018 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 ifdescriptio...

Microsoft Office 2010 Service Pack 2 Multiple Vulnerabilities (KB4022199)

This host is missing an important security update according to Microsoft KB4022199 SPDX-FileCopyrightText: 2018 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 ifdescriptio...

Microsoft Office Compatibility Pack Service Pack 3 Information Disclosure Vulnerability (KB4022196)

This host is missing an important security update according to Microsoft KB4022196 SPDX-FileCopyrightText: 2018 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 ifdescriptio...

USN-3680-1 libvirt vulnerability and update

Ken Johnson and Jann Horn independently discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via sidechannel attacks. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This update...

USN-3676-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 filesystem that caused a denial of service system crash when mounted. CVE-2018-1092, CVE-2018-1093 It...

USN-3674-1 linux vulnerabilities

It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-1068 It was discovered that a NULL pointer dereference existed in t...

[SECURITY] [DSA 4221-1] libvncserver security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4221-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 08, 2018 https://www.debian.org/security/faq -...

bittorrent-dht Remote Memory Disclosure Vulnerability

bittorrent-dht is a Node.js implementation of the BitTorrent DHT protocol. A security vulnerability exists in bittorrent-dht versions prior to 5.1.3. An attacker can exploit the vulnerability to disclose internal memory by sending a specific series of messages...

Out-of-bounds

An issue was discovered in libtskfs.a in The Sleuth Kit TSK from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function ntfsfixidxrec in tsk/fs/ntfsdent.cpp which could be leveraged by an attacker to disclose information or manipulated to read from...

CVE-2018-11739

An issue was discovered in libtskimg.a in The Sleuth Kit TSK from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function rawread in tsk/img/raw.c which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory...

DEBIAN-CVE-2018-11738

An issue was discovered in libtskfs.a in The Sleuth Kit TSK from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function ntfsmakedatarun in tsk/fs/ntfs.c which could be leveraged by an attacker to disclose information or manipulated to read from unmapped...