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 Bishop Fox Instructors & John H. Sawyer
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Profile of Bishop Fox Instructors & John H. Sawyer

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News & Commentary Posts: 5

John H Sawyer, Senior Security Analyst, InGuardians
John H Sawyer is a Senior Security Analyst with InGuardians, where he specializes in network, mobile, and web application penetration testing. John has an extensive background in intrusion analysis, forensics, and incident response. He has consulted with federal, state, and local law enforcement agencies on malware analysis, hacker attacks, and digital forensics. He is also a respected author and public speaker. John currently writes for Dark Reading and InformationWeek Magazine.

Bishop Fox Instructors
Bishop Fox is a global security consulting firm. We are the trusted advisors to the Fortune 1000, financial institutions, and high-tech startups – helping to secure their commerce, data, IT infrastructure, and intellectual property. Founded in 2005, our team is made up of dedicated individuals with a combined 400+ years of experience working in both corporate America and global security.

For more than a decade, Bishop Fox profes­sionals have been authoring best-selling secu­rity books, such as Web Application Security: A Beginners Guide, Hacking Exposed: Web Applications 3rd Edition, and Hacking Exposed: Wireless, 1st and 2nd Editions. Having actually "written the book" on many topics in our field, we consistently demonstrate that few others can truly claim subject matter expertise in the same way that we do.

COVID-19: Latest Security News & Commentary
Dark Reading Staff 6/1/2020
Stay-at-Home Orders Coincide With Massive DNS Surge
Robert Lemos, Contributing Writer,  5/27/2020
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2020-13757
PUBLISHED: 2020-06-01
Python-RSA 4.0 ignores leading '\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing exces...
CVE-2020-13758
PUBLISHED: 2020-06-01
modules/security/classes/general.post_filter.php/post_filter.php in the Web Application Firewall in Bitrix24 through 20.0.950 allows XSS by placing %00 before the payload.
CVE-2020-9291
PUBLISHED: 2020-06-01
An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.
CVE-2019-15709
PUBLISHED: 2020-06-01
An improper input validation in FortiAP-S/W2 6.2.0 to 6.2.2, 6.0.5 and below, FortiAP-U 6.0.1 and below CLI admin console may allow unauthorized administrators to overwrite system files via specially crafted tcpdump commands in the CLI.
CVE-2020-13695
PUBLISHED: 2020-06-01
In QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8, the local www-data user has sudo privileges to execute grep as root without a password, which allows an attacker to obtain sensitive information via a grep of a /root/*.db or /etc/shadow file.