RAMBleed Side-Channel Attack Exposes Privileged Memory

A team of academic researchers has discovered a follow-on to the Rowhammer class of attacks that allows attackers to read memory data on a target Windows computer, without actually accessing the memory itself. The method is dubbed RAMBleed. Andrew Kwong and Daniel Genkin at the University of...

Google Chrome 73.0.3683.103 - WasmMemoryObject::Grow Use-After-Free

Google Chrome 73.0.3683.103 - WasmMemoryObject::Grow Use-After-Free memoryobject, uint32t pages ... Handle newbuffer; if oldbuffer-isshared // Adjust protections for the buffer. if !AdjustBufferPermissionsisolate, oldbuffer, newsize return -1; void backingstore = oldbuffer-backingstore; if...

Google Chrome 73.0.3683.103 - WasmMemoryObject::Grow Use-After-Free Exploit

Google Chrome 73.0.3683.103 - WasmMemoryObject::Grow Use-After-Free Exploit memoryobject, uint32t pages ... Handle newbuffer; if oldbuffer-isshared // Adjust protections for the buffer. if !AdjustBufferPermissionsisolate, oldbuffer, newsize return -1; void backingstore = oldbuffer-backingstore; i...

Google Chrome 73.0.3683.103 - 'WasmMemoryObject::Grow' Use-After-Free

memoryobject, uint32t pages ... Handle newbuffer; if oldbuffer-isshared // Adjust protections for the buffer. if !AdjustBufferPermissionsisolate, oldbuffer, newsize return -1; void backingstore = oldbuffer-backingstore; if memorytracker-IsWasmSharedMemorybackingstore // This memory is shared...

Google Chrome WasmMemoryObject::Grow Use-After-Free

Chrome: Use-after-free in WasmMemoryObject::Grow VULNERABILITY DETAILS https://cs.chromium.org/chromium/src/v8/src/wasm/wasm-objects.cc?rcl=783343158eb1b147df7e6669f1d03c690c878e21&l=1253 int32t WasmMemoryObject::GrowIsolate isolate, Handle memoryobject, uint32t pages ... Handle newbuffer; if...

Researcher Exploits Microsoft's Notepad to 'Pop a Shell'

A memory corruption bug in the Microsoft’s Windows Notepad application can be used to open remote shell access – typically a first step for attackers infiltrating a system. The bug was found by Tavis Ormandy, a bug hunter with Google’s Project Zero team. In a tweet he indicated that the bug was...

Beers with Talos Ep. #54: Patch after listening, RDP and wild 0-days

Beers with Talos BWT Podcast Ep. 54 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded May 24, 2019 — There is another BlueX to talk about and guess what? YES, YOU STILL NEED TO PATCH. We talk about RDP, the...

Microsoft Internet Explorer Windows 10 1809 17763.316 - Scripting Engine Memory Corruption Exploit

Content Dim ar1&h3000000 Dim ar21000 Dim gremlin addressOfGremlin = &h28281000 Class MyClass Private mValue Public Property Let Valuev mValue = v End Property Public Default Property Get P P = mValue ' Where to write End Property End Class Sub TriggerWritewhere, val Dim v1 Set v1 =...

Microsoft Internet Explorer Windows 10 1809 17763.316 Memory Corruption

Content Dim ar1&h3000000 Dim ar21000 Dim gremlin addressOfGremlin = &h28281000 Class MyClass Private mValue Public Property Let Valuev mValue = v End Property Public Default Property Get P P = mValue ' Where to write End Property End Class Sub TriggerWritewhere, val Dim v1 Set v1 =...

Microsoft Internet Explorer Windows 10 1809 17763.316 - Scripting Engine Memory Corruption

Microsoft Internet Explorer Windows 10 1809 17763.316 - Scripting Engine Memory Corruption Content Dim ar1&h3000000 Dim ar21000 Dim gremlin addressOfGremlin = &h28281000 Class MyClass Private mValue Public Property Let Valuev mValue = v End Property Public Default Property Get P P = mValue ' Wher...

CVE-2019-0881

creationtimestamp| type| source ---|---|--- 2019-05-23 00:00:00+00:00| exploited| https://www.exploit-db.com/exploits/46912 2024-12-19 18:03:00+00:00| seen| https://googleprojectzero.blogspot.com/2024/12/the-windows-registry-adventure-5-regf.html 2025-05-23 05:00:00+00:00| seen|...

polkit security update

CentOS Errata and Security Advisory CESA-2019:0230 An update for polkit is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Linux Kernel CVE-2019-9213 NULL Dereferences

By following the codepath that Andrea Arcangeli pointed out in his mails regarding the last bug I reported, I noticed that it is possible for userspace on a normal distro to map virtual address 0, which on an X86 system without SMAP enables the exploitation of kernel NULL pointer dereferences. Th...

Google Reveals "BuggyCow," a Rare MacOS Zero-Day Vulnerability

Google's Project Zero researchers find a potentially powerful privilege escalation trick in how Macs manage memory...

Project Zero Discloses High-Severity Apple macOS Flaw

Researchers have disclosed what they say is a high-severity security flaw in Apple’s MacOS operating system – which has not yet been patched. The flaw gives an attacker privileges to perform malicious actions on a mounted filesystem – without the victim knowing. The Google Project Zero team...

Google Discloses Unpatched 'High-Severity' Flaw in Apple macOS Kernel

Cybersecurity researcher at Google's Project Zero division has publicly disclosed details and proof-of-concept exploit of a high-severity security vulnerability in macOS operating system after Apple failed to release a patch within 90 days of being notified. Discovered by Project Zero researcher...

CentOS 7 : ghostscript (CESA-2019:0229)

An update for ghostscript is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

Important: Red Hat Security Advisory: polkit security update

An update for polkit is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Impact of 62 million devices: the interpretation I is how to find the Marvell Avastar Wi-Fi remote code execution vulnerability-vulnerability warning-the black bar safety net

One, overview In the present study, I will mainly analyze the Marvell WiFi-FullMAC SoC security. Since we have not yet completed the product with a chip of a wireless device of research, and therefore which may contain large amounts of unaudited code, which might appear serious security problems...

About the security content of iCloud for Windows 7.9 - Apple Support

About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page. For more information about security, se...