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...

iPhone Bug Allowed for Complete Device Takeover Over the Air

Details tied to a stunning iPhone vulnerability were disclosed by noted Google Project Zero researcher Ian Beer. Apple patched the vulnerability earlier this year. But few details, until now, were known about the bug that could have allowed a threat actor to completely take over any iPhone within...

Google Hacker Details Zero-Click 'Wormable' Wi-Fi Exploit to Hack iPhones

Google Project Zero white-hat hacker Ian Beer on Tuesday disclosed details of a now-patched critical "wormable" iOS bug that could have made it possible for a remote attacker to gain complete control of any device in the vicinity over Wi-Fi. The exploit makes it possible to "view all the photos,...

Fuzzilli - A JavaScript Engine Fuzzer

A coverage-guided fuzzer for dynamic language interpreters based on a custom intermediate language "FuzzIL" which can be mutated and translated to JavaScript. Usage The basic steps to use this fuzzer are: 1. Download the source code for one of the supported JavaScript engines. See the Targets/...

Facebook Messenger Bug Allows Spying on Android Users

Facebook has patched a significant flaw in the Android version of Facebook Messenger that could have allowed attackers to spy on users and potentially identify their surroundings without them knowing. Natalie Silvanovich, a security researcher at Google Project Zero, discovered the vulnerability,...

Microsoft Releases Windows Security Updates For Critical Flaws

Microsoft formally released fixes for 112 newly discovered security vulnerabilities as part of its November 2020 Patch Tuesday, including an actively exploited zero-day flaw disclosed by Google's security team last week. The rollout addresses flaws, 17 of which are rated as Critical, 93 are rated...

Microsoft Releases Windows Security Updates For Critical Flaws

Microsoft formally released fixes for 112 newly discovered security vulnerabilities as part of its November 2020 Patch Tuesday, including an actively exploited zero-day flaw disclosed by Google's security team last week. The rollout addresses flaws, 17 of which are rated as Critical, 93 are rated...