Podcast: Bugcrowd Founder on Printer Bugs, IoT Bounty Hunting, and New VDP Project

Bugcrowd has had a busy summer. Recently, the bug-bounty company partnered with HP to launch the first-ever bug bounty program for printers, with rewards of up to $10,000 for discovered vulnerabilities. Bugcrowd also recently announced Disclose.io, an open-sourced project to standardize best...

Cybersecurity threats: How to discover, remediate, and mitigate

This blog is part of a series that responds to common questions we receive from customers about deployment of Microsoft 365 security solutions. In this series youll find context, answers, and guidance for deployment and driving adoption within your organization. Check out our last blog, Protect...

How to Fix a Mac Stuck on a White Screen

If a plain white screen appears when your Mac starts, then some of its hardware or software may have failed. Follow the steps below to solve the problem. 1. Check your Mac’s hardware systematically. To find a malfunctioning device attached to your Mac, start by disconnecting everything from it,...

Authorization

Due to missing authorization checks, any authenticated user is able to list, upload, or delete attachments to password safe entries in Pleasant Password Server before 7.8.3. To perform those actions on an entry, the user needs to know the corresponding "CredentialId" value, which uniquely...

CVE-2017-17707

Due to missing authorization checks, any authenticated user is able to list, upload, or delete attachments to password safe entries in Pleasant Password Server before 7.8.3. To perform those actions on an entry, the user needs to know the corresponding "CredentialId" value, which uniquely...

CVE-2018-14527

Feedback.asp in Xiao5uCompany 1.7 has XSS because the XSS protection mechanism in Safe.asp is insufficient for example, it considers SCRIPT and IMG elements, but does not consider VIDEO elements...

Sandbox Breakout in safe-eval

Affected versions of safe-eval are vulnerable to a sandbox escape. By accessing object constructors, un-sanitized user input can access the entire standard library and effectively break out of the sandbox. Proof of Concept: This code accesses the process object and calls .exit js var safeEval =...

apoc (>=2.0.0, <=3.0.0-alpha.0), daum-trends (>=0.1.0, <=0.3.0) +11 more potentially affected by CVE-2017-16088 via safe-eval (0.2.0)

safe-eval NPM version 0.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on safe-eval and may be impacted: - apoc =2.0.0, =0.1.0, =5.2.6, =1.0.0, =5.3.6, =0.1.0, =0.1.1, =0.0.1, =0.11.0, =2.0.2, =0.0.1, =0.0.2 Source cves: CVE-2017-16088 Source advisor...

GHSA-WW6V-677G-P656 Sandbox Breakout in safe-eval

Affected versions of safe-eval are vulnerable to a sandbox escape. By accessing object constructors, un-sanitized user input can access the entire standard library and effectively break out of the sandbox. Proof of Concept: This code accesses the process object and calls .exit js var safeEval =...

GHSA-P6H9-GW49-RQM4 markdown2 is vulnerable to cross-site scripting

An issue was discovered in markdown2 aka python-markdown2 through 2.3.5. The safemode feature, which is supposed to sanitize user input against XSS, is flawed and does not escape the input properly. With a crafted payload, XSS can be triggered, as demonstrated by omitting the final character from...

Navigating an Uncharted Future, Bug Bounty Hunters Seek Safe Harbors

When researcher Kevin Finisterre found a security error in drone-maker DJI’s systems enabling him to access flight log data and images of customers, he thought he had hit the $30,000 jackpot as part of the drone company’s newly announced bug bounty program. Instead, when the incident occurred in...

UBUNTU-CVE-2018-12893

An issue was discovered in Xen through 4.10.x. One of the fixes in XSA-260 added some safety checks to help prevent Xen livelocking with debug exceptions. Unfortunately, due to an oversight, at least one of these safety checks can be triggered by a guest. A malicious PV guest can crash Xen, leadi...

UBUNTU-CVE-2018-13053

The alarmtimernsleep function in kernel/time/alarmtimer.c in the Linux kernel through 4.17.3 has an integer overflow via a large relative timeout because ktimeaddsafe is not used...

Micali-Schnorr Generator (MS-DRBG) Part III - Zero Knowledge Proof Wanted!!

See also Part I and Part II of this series This is going to be a short blog post about the infamous Micali-Schnorr Random Number Generator MS-DRBG. See Part I and Part II of this series for more information about this topic. WHO: NIST published the specification for Micali-Schnorr Random Number...

Your Mac Does Not Turn On: How to fix

If you are using your Mac every day with no issues, then that’s great. However, sometimes, like all computers, the Mac also does not respond to pressing the power button. If this happens, and you have no idea what to do, then it can lead to a lot of frustration. There could be several reasons why...

PT-2018-3945

Name of the Vulnerable Software and Affected Versions PyYAML versions prior to 5.1 Description The issue is related to the yaml.load API, which could execute arbitrary code if used with untrusted data. This could allow a remote attacker to access confidential data, compromise its integrity, and...

Email Phishers Using A Simple Way to Bypass MS Office 365 Protection

Security researchers have been warning about a simple technique that cyber criminals and email scammers are using in the wild to bypass most AI-powered phishing detection mechanisms implemented by widely used email services and web security scanners. Dubbed ZeroFont, the technique involves...

Remote code execution

An issue was discovered in Linaro LAVA before 2018.5.post1. Because of use of yaml.load instead of yaml.safeload when parsing user data, remote code execution can occur...

Microsoft Windows: MSS: Enable Safe DLL search mode

This test checks the setting for policy OpenVAS Vulnerability Test $Id: winmlsafedllsearchmode.nasl 11337 2018-09-11 14:23:53Z emoss $ Check value for MSS: SafeDllSearchMode Enable Safe DLL search mode recommended Authors: Emanuel Moss Copyright: Copyright c 2018 Greenbone Networks GmbH,...

Don’t be a Coinmining Zombie – Part 2: How Do You Protect Yourself from being Cryptojacked?

Safe behaviors to protect yourself from cryptojacking follow the familiar rules you should adhere to every day to protect yourself against viruses, worms, bots, and malware, including ransomware, which are typically pushed to you through phishing techniques and social engineering: | Strengthen yo...