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John Bock
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Profile of John Bock

Senior Research Scientist
Member Since: 12/11/2019
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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
posted in December 2019
Attackers Leave Stolen Credentials Searchable on Google
Kelly Sheridan, Staff Editor, Dark Reading,  1/21/2021
How to Better Secure Your Microsoft 365 Environment
Kelly Sheridan, Staff Editor, Dark Reading,  1/25/2021
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From DHS/US-CERT's National Vulnerability Database
CVE-2021-21275
PUBLISHED: 2021-01-25
The MediaWiki "Report" extension has a Cross-Site Request Forgery (CSRF) vulnerability. Before fixed version, there was no protection against CSRF checks on Special:Report, so requests to report a revision could be forged. The problem has been fixed in commit f828dc6 by making use of Medi...
CVE-2021-21272
PUBLISHED: 2021-01-25
ORAS is open source software which enables a way to push OCI Artifacts to OCI Conformant registries. ORAS is both a CLI for initial testing and a Go Module. In ORAS from version 0.4.0 and before version 0.9.0, there is a "zip-slip" vulnerability. The directory support feature allows the ...
CVE-2021-23901
PUBLISHED: 2021-01-25
An XML external entity (XXE) injection vulnerability was discovered in the Nutch DmozParser and is known to affect Nutch versions < 1.18. XML external entity injection (also known as XXE) is a web security vulnerability that allows an attacker to interfere with an application's processing of XML ...
CVE-2020-17532
PUBLISHED: 2021-01-25
When handler-router component is enabled in servicecomb-java-chassis, authenticated user may inject some data and cause arbitrary code execution. The problem happens in versions between 2.0.0 ~ 2.1.3 and fixed in Apache ServiceComb-Java-Chassis 2.1.5
CVE-2020-12512
PUBLISHED: 2021-01-22
Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to an authenticated reflected POST Cross-Site Scripting