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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
Why Vulnerable Code Is Shipped Knowingly
Chris Eng, Chief Research Officer, Veracode,  11/30/2020
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2020-27348
PUBLISHED: 2020-12-04
In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43...
CVE-2020-16123
PUBLISHED: 2020-12-04
An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited by...
CVE-2018-21270
PUBLISHED: 2020-12-03
Versions less than 0.0.6 of the Node.js stringstream module are vulnerable to an out-of-bounds read because of allocation of uninitialized buffers when a number is passed in the input stream (when using Node.js 4.x).
CVE-2020-26248
PUBLISHED: 2020-12-03
In the PrestaShop module "productcomments" before version 4.2.1, an attacker can use a Blind SQL injection to retrieve data or stop the MySQL service. The problem is fixed in 4.2.1 of the module.
CVE-2020-29529
PUBLISHED: 2020-12-03
HashiCorp go-slug before 0.5.0 does not address attempts at directory traversal involving ../ and symlinks.