CVE-2017-5927

CVE-2017-5927 affects ARM processors where page table walks by the MMU during virtual-to-physical address translation leave traces in the last-level cache. A side-channel attack via JavaScript can infer memory and code pointers, breaking ASLR. The linked SUSE entry and related coverage confirm th...

CVE-2017-5925

CVE-2017-5925 describes an Intel MMU page-table walk side-channel vulnerability where, during virtual-to-physical address translation, the MMU leaves traces in the last-level cache, enabling a JavaScript-based attack to leak data and code pointers and break ASLR. Connected sources note that the A...

CVE-2017-5925

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern Intel processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

CVE-2017-5926

CVE-2017-5926 describes a side-channel vulnerability affecting AMD processors where page table walks by the MMU leave traces in the last-level cache. A JavaScript-based attack can leak data and code pointers, effectively breaking ASLR. The connected documents confirm the issue is tied to AMD MMU/...

CVE-2017-5926

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern AMD processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

Google Chrome: out-of-bound read in layout

Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=671328 PoC: content contain: size layout; function leak document.execCommand"selectAll"; opt.text = ""; aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Infoleak is demonstrated in th...

Google Chrome - layout Out-of-Bounds Read Vulnerability

Exploit for multiple platform in category dos / poc content contain: size layout; function leak document.execCommand"selectAll"; opt.text = ""; aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 0day.today 2018-03-20...

Google Chrome - layout Out-of-Bounds Read

Google Chrome - layout Out-of-Bounds Read content contain: size layout; function leak document.execCommand"selectAll"; opt.text = ""; aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

The ASLR protection mechanism is a breakthrough attack technical analysis-vulnerability warning-the black bar safety net

Recently, hardware-based attacks have been started by Rowhammer memory leaks or bypass the address space layout randomization protection mechanisms to attack the system, these attacks are based on the processor's memory management unit MMU with a page table interactive interactive manner. These...

Google Chrome - 'layout' Out-of-Bounds Read

content contain: size layout; function leak document.execCommand"selectAll"; opt.text = ""; aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

How to by CVE-2015-7547(GLIBC getaddrinfo)vulnerability to bypass ASLR-exploits warning-the black bar safety net

0x01 introduction 2016 2 on 16 May, Google disclosed a critical buffer overflow vulnerability in the GLIBC library in the getaddrinfo function in the trigger. At the same time they also provided a copy of the PoC. Based on this, in this article, we will show how to by CVE-2015-7547 bypass ASLR...

No Sockets remote overflow exploit methodology-vulnerability warning-the black bar safety net

In this article, I will introduce one in a vulnerable remote machine, get shell access to a simple technology this is just my personal viewpoint to. This is not my own creation of art, but I found it very interesting. So, the focus of this article is that this technology itself, rather than using...

shopify-scripts: Controlled address leak due to type confusion - ASLR bypass

There are several different places in which arguments are treated as fixnums without a prior check for their type. Since mrbvalue is a union that holds all value types, it can cause a mixup between an object pointer and an integer value: cpp typedef struct mrbvalue union mrbfloat f; void p; mrbin...

A Simple JavaScript Exploit Bypasses ASLR Protection On 22 CPU Architectures

Security researchers have discovered a chip flaw that could nullify hacking protections for millions of devices regardless of their operating system or application running on them, and the worse — the flaw can not be entirely fixed with any mere software update. The vulnerability resides in the w...

Ubuntu 14.04 LTS / 16.04 LTS : Firefox regression (USN-3175-2)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3175-2 advisory. USN-3175-1 fixed vulnerabilities in Firefox. The update caused a regression on systems where the AppArmor profile for Firefox is set to enforce mode...

USN-3175-2: Firefox regression

USN-3175-1 fixed vulnerabilities in Firefox. The update caused a regression on systems where the AppArmor profile for Firefox is set to enforce mode. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple memory safety issues were discovered in...

MGASA-2017-0039 Updated thunderbird packages fix security vulnerabilities

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. CVE-2017-5375 Use-after-free while manipulating XSL in XSLT documents. CVE-2017-5376 Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks...

Mozilla Thunderbird < 45.7

The version of Thunderbird installed on the remote Windows host is prior to 45.7. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2017-03 advisory. - A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after...

Mozilla Firefox < 51 Multiple Vulnerabilities

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Mozilla Thunderbird < 45.7 Multiple Vulnerabilities (macOS)

The version of Mozilla Thunderbird installed on the remote macOS or Mac OS X host is prior to 45.7. It is, therefore, affected by multiple vulnerabilities : - Mozilla developers and community members Christian Holler, Gary Kwong, Andre Bargull, Jan de Mooij, Tom Schuster, and Oriol reported memor...