Dropping Files on a Domain Controller Using CVE-2021-43893

On December 14, 2021, during the Log4Shell chaos, Microsoft published CVE-2021-43893, a remote privilege escalation vulnerability affecting the Windows Encrypted File System EFS. The vulnerability was credited to James Forshaw of Google Project Zero, but perhaps owing to the Log4Shell atmosphere,...

CVE-2021-4083

creationtimestamp| type| source ---|---|--- 2022-01-18 20:25:03+00:00| seen| https://t.me/cibsecurity/35728 2022-08-10 23:00:00+00:00| seen| https://googleprojectzero.blogspot.com/2022/08/the-quantum-state-of-linux-kernel.html...

Have you updated your Zoom meeting?

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. Two Critical vulnerabilities have been found in Zoom products. These vulnerabilities were discovered by Natalie Silvanovich, a researcher from Google Project Zero. The first vulnerability, CVE-2021-34423 is a high severity...

Windows EoP Bug Detailed by Google Project Zero

It looked like Google Project Zero blew its own 90-day disclosure window when, on Wednesday, it disclosed an elevation of privilege EoP flaw in Windows that it reported to Microsoft just over a month ago on July 8. But no: It turns out that Microsoft flip-flopped on whether or not it was planning...

WebKit WebCore::FrameLoader::PolicyChecker::checkNavigationPolicy Heap Use-After-Free

WebKit: heap-use-after-free in WebCore::FrameLoader::PolicyChecker::checkNavigationPolicy VULNERABILITY DETAILS PolicyChecker.cpp: define ISALLOWED mframe.page ? mframe.page-sessionID.isAlwaysOnLoggingAllowed : false define PAGEID mframe.loader.pageID.valueOrPageIdentifier.toUInt64 define FRAMEID...

New Chrome 0-Day Bug Under Active Attacks – Update Your Browser ASAP!

Attention readers, if you are using Google Chrome browser on your Windows, Mac, or Linux computers, you need to update it immediately to the latest version Google released earlier today. The internet services company has rolled out an urgent update to the browser to address 14 newly discovered...

CVE-2021-26419

Scripting Engine Memory Corruption Vulnerability...

Speculative Execution and Indirect Branch Prediction Side Channel Analysis Method

Summary: Updated Recommendations Section 04/04/2018 Today a team of security researchers disclosed several software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from many types of computing devices with many different vendors’...

Google Project Zero Cuts Bug Disclosure Timeline to a 30-Day Grace Period

Google Project Zero will now give organizations a 30-day grace period to patch zero-day flaws it discovers in a new disclosure policy revealed this week aimed at speeding up the time it takes for patches to be adopted. Known for discovering a number of high-profile zero days—in Google’s own...

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,...

F5 Big IP TMM uri_normalize_host Information Disclosure / Out-Of-Bounds Write Vulnerability

Big IP's Traffic Management Microkernels TMM URI normalization incorrectly handles invalid IPv6 hostnames allowing for information disclosure and an out-of-bounds write condition. F5 Big IP - TMM urinormalizehost infoleak and out-of-bounds write Big IP's Traffic Management Microkernels TMM URI...

F5 Big IP TMM uri_normalize_host Information Disclosure / Out-Of-Bounds Write

F5 Big IP - TMM urinormalizehost infoleak and out-of-bounds write Big IP's Traffic Management Microkernels TMM URI normalization incorrectly handles invalid IPv6 hostnames: When urinormalizehost is called with a hostname of the form \u"abcdef\u", urinorminet6 is called with the substring abcdef a...

Google uncovers new iOS security feature Apple quietly added after zero-day attacks

Google Project Zero on Thursday disclosed details of a new security mechanism that Apple quietly added to iOS 14 as a countermeasure to prevent attacks that were recently found to leverage zero-days in its messaging app. Dubbed "BlastDoor," the improved sandbox system for iMessage data was...

Google uncovers new iOS security feature Apple quietly added after zero-day attacks

Google Project Zero on Thursday disclosed details of a new security mechanism that Apple quietly added to iOS 14 as a countermeasure to prevent attacks that were recently found to leverage zero-days in its messaging app. Dubbed "BlastDoor ," the improved sandbox system for iMessage data was...

Google Research Pinpoints Security Soft Spot in Multiple Chat Platforms

Google Project Zero researcher Natalie Silvanovich outlined what she believes is a common theme when it comes to serious vulnerabilities impacting leading chat platforms. The research, published Tuesday, identifies a common denominator within chat platforms, called “calling state machine”, which...

Google Details Patched Bugs in Signal, FB Messenger, JioChat Apps

In January 2019, a critical flaw was reported in Apple's FaceTime group chats feature that made it possible for users to initiate a FaceTime video call and eavesdrop on targets by adding their own number as a third person in a group chat even before the person on the other end accepted the incomi...

Google Details Patched Bugs in Signal, FB Messenger, JioChat Apps

In January 2019, a critical flaw was reported in Apple's FaceTime group chats feature that made it possible for users to initiate a FaceTime video call and eavesdrop on targets by adding their own number as a third person in a group chat even before the person on the other end accepted the incomi...

CVE-2020-17008 splWOW64 Elevation of Privilege Patch Bypass

This CVE is the result of a patch bypass for CVE-2020-0986, reported to Microsoft by Kaspersky in December 2019 and patched in June 2020. Google Project Zero researcher Maddie Stone notified Microsoft on September 24, 2020 that the fix for Kaspersky’s reported vulnerability was incomplete...

Windows Zero-Day Still Circulating After Faulty Fix

A high-severity Windows zero-day that could lead to complete desktop takeover remains dangerous after a “fix” from Microsoft failed to adequately patch it. The local privilege-escalation bug in Windows 8.1 and Windows 10 CVE-2020-0986 exists in the Print Spooler API. It could allow a local attack...

Google Discloses Poorly-Patched, Now Unpatched, Windows 0-Day Bug

Google's Project Zero team has made public details of an improperly patched zero-day security vulnerability in Windows print spooler API that could be leveraged by a bad actor to execute arbitrary code. Details of the unpatched flaw were revealed publicly after Microsoft failed to rectify it with...