Google's New Tool Alerts When You Use Compromised Credentials On Any Site

With so many data breaches happening almost every week, it has become difficult for users to know if their credentials are already in possession of hackers or being circulated freely across the Internet. Thankfully, Google has a solution. Today, February 5, on Safer Internet Day, Google launches ...

How to browse the Internet safely at work

This Safer Internet Day, we teamed up with ethical hacking and web application security company Detectify to provide security tips for both workplace Internet users and web developers. This article is aimed at employees of all levels. If you’re a programmer looking to create secure websites, visi...

ghostscript: use-after-free in copydevice handling (699661)

It was discovered that the ghostscript PDF14 compositor did not properly handle the copying of a device. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScrip...

ghostscript: subroutines within pseudo-operators must themselves be pseudo-operators (700317)

It was found that ghostscript could leak sensitive operators on the operand stack when a pseudo-operator pushes a subroutine. A specially crafted PostScript file could use this flaw to escape the -dSAFER protection in order to, for example, have access to the file system outside of the SAFER...

Artifex Software Ghostscript Sandbox Bypass Vulnerability

Artifex Software Ghostscript is an open source Postscript a page description language and programming language used in the electronics industry and desktop publishing parser from Artifex Software that displays Postscript files and prints them on non-Postscript printers. print Postscript files on...

ghostscript: Incorrect free logic in pagedevice replacement (699664)

It was discovered that the ghostscript device cleanup did not properly handle devices replaced with a null device. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted...

ghostscript: Uninitialized memory access in the aesdecode operator (699665)

It was discovered that ghostscript did not properly verify the key used in aesdecode. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript document...

ghostscript: /invalidaccess bypass after failed restore (699654)

It was discovered that the ghostscript /invalidaccess checks fail under certain conditions. An attacker could possibly exploit this to bypass the -dSAFER protection and, for example, execute arbitrary shell commands via a specially crafted PostScript document...

ghostscript: shading_param incomplete type checking (699660)

It was discovered that the ghostscript .shfill operator did not properly validate certain types. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript docume...

Julian Assange Charges, Japan's Top Cybersecurity Official, and More Security News This Week

Safer browsing, more bitcoin scams, and the rest of the week's top security news...

ghostscript: LockDistillerParams type confusion (699656)

It was discovered that the type of the LockDistillerParams parameter is not properly verified. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript document...

ghostscript: .definemodifiedfont memory corruption if /typecheck is handled (699668)

It was discovered that ghostscript did not properly handle certain stack overflow error conditions. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript...

gsview -dSAFER Not Used Vulnerability

Exploit for windows platform in category dos / poc gsview: -dSAFER not used I was planning to test the exploit for bug 1640 against gsview, the official ghostscript viewer, but it turns out systemdict /SAFER get returns false. That means opening a file in gsview is equivalent to running arbitrary...

Unspecified Vulnerability in Artifex Ghostscript

Artifex Ghostscript is an open source Postscript a page description language and programming language used in the electronics industry and desktop publishing parser from Artifex Software that displays Postscript files and prints them on non-Postscript printers. Postscript file. A security...

DEBIAN-CVE-2018-11645

psi/zfile.c in Artifex Ghostscript before 9.21rc1 permits the status command even if -dSAFER is used, which might allow remote attackers to determine the existence and size of arbitrary files, a similar issue to CVE-2016-7977...

UBUNTU-CVE-2018-11645

psi/zfile.c in Artifex Ghostscript before 9.21rc1 permits the status command even if -dSAFER is used, which might allow remote attackers to determine the existence and size of arbitrary files, a similar issue to CVE-2016-7977...

A week in security (February 5 – February 11)

Last week on Malwarebytes Labs, we featured a new Flash Player zero-day that has been found in recent targeted attacks. And we talked about a new trick to cripple browsers that came out of the hat of tech support scammers. We also covered several methods of stealing cryptocurrencies, including on...

Safer Internet Day 2018: ad blockers and anti-trackers

The path to a safer Internet can be a bit of a quandary. What programs should you buy? How long should your passwords be? Is it okay to write them down? What makes a website secure? All of these questions can merit their own lengthy essays, so today, on Safer Internet Day, we’re going to look at...

Safer Internet Day

February 6, 2018, is Safer Internet Day SID, a worldwide event aimed at promoting the safe and positive use of digital technology for all users, especially children and teens. This year's SID theme—Create, Connect and Share Respect: A better Internet starts with you—encourages everyone to play...

Towards a Safer Internet for All: Winners of New Brunswick Video Contest Announced

Today more than ever, society needs to come together to work towards a better and safer future for all our children. This doesn’t just mean members of the public: companies can and should play a key role in helping to support worthy causes. Global citizenship and cyber security are two issues tha...