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 John Bock
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Profile of John Bock

Senior Research Scientist
Member Since: 12/11/2019
Author
News & Commentary Posts: 2
Comments: 0

John Bock is senior research scientist at Optiv. Prior to this role, John was vice president of threat research, and before that he was the leader of Optiv's application security practice, which provided application pen testing and other software security services. With more than 15 years of application security and penetration testing experience, he is able to provide practical strategies for addressing security challenges and employing advanced capabilities to enable security assessment and defense.  Prior to joining Optiv, he held consulting and engineering positions at Casaba Security, Foundstone, and Internet Security Systems. He is also a contributing author and technical editor to multiple security publications, including the Hacking Exposed series.

Articles by John Bock
News
A Startup With NSA Roots Wants Silently Disarming Cyberattacks on the Wire to Become the Norm
Kelly Jackson Higgins, Executive Editor at Dark Reading,  5/11/2021
Edge-DRsplash-10-edge-articles
Cybersecurity: What Is Truly Essential?
Joshua Goldfarb, Director of Product Management at F5,  5/12/2021
Commentary
3 Cybersecurity Myths to Bust
Etay Maor, Sr. Director Security Strategy at Cato Networks,  5/11/2021
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2020-19924
PUBLISHED: 2021-05-18
In Boostnote 0.12.1, exporting to PDF contains opportunities for XSS attacks.
CVE-2020-20220
PUBLISHED: 2021-05-18
Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
CVE-2020-20227
PUBLISHED: 2021-05-18
Mikrotik RouterOs stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/diskd process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.
CVE-2020-20245
PUBLISHED: 2021-05-18
Mikrotik RouterOs stable 6.46.3 suffers from a memory corruption vulnerability in the log process. An authenticated remote attacker can cause a Denial of Service due to improper memory access.
CVE-2020-20246
PUBLISHED: 2021-05-18
Mikrotik RouterOs stable 6.46.3 suffers from a memory corruption vulnerability in the mactel process. An authenticated remote attacker can cause a Denial of Service due to improper memory access.