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Ed Koehler
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Profile of Ed Koehler

Distinguished Principal Security Engineer, Office of CTO, at Extreme Network
Member Since: 9/3/2020
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News & Commentary Posts: 1
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Ed Koehler has been in the communications and networking industry for 20+ years. Ten of those years he spent as a Senior Technology Architect for R&D within the CTO division of Nortel. His area specialties are, IPv6, Multicast, Digital Identity and Network Security as well as Voice and Video communications and Data Science. He has several patents in these areas. Ed joined with Extreme (via Avaya) in August of 2010 as a Senior Data Solutions Architect specializing in Virtualized Data Centers and associated technologies including compute and storage. Currently, he is serving this role at the Global geography level as a Distinguished Principal Engineer. He is an IEEE member and was instrumental in the development of some of the core technology used in IEEE 802.1aq "Shortest Path Bridging."
Articles by Ed Koehler
COVID-19: Latest Security News & Commentary
Dark Reading Staff 10/23/2020
Modern Day Insider Threat: Network Bugs That Are Stealing Your Data
David Pearson, Principal Threat Researcher,  10/21/2020
Are You One COVID-19 Test Away From a Cybersecurity Disaster?
Alan Brill, Senior Managing Director, Cyber Risk Practice, Kroll,  10/21/2020
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2018-21269
PUBLISHED: 2020-10-27
checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.
CVE-2020-27743
PUBLISHED: 2020-10-26
libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes(). This could lead to use of a non-random/predictable session_id.
CVE-2020-1915
PUBLISHED: 2020-10-26
An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows attackers to cause a denial of service attack or possible further memory corruption via crafted JavaScript. Note that this is only exploitable if the application usi...
CVE-2020-26878
PUBLISHED: 2020-10-26
Ruckus through 1.5.1.0.21 is affected by remote command injection. An authenticated user can submit a query to the API (/service/v1/createUser endpoint), injecting arbitrary commands that will be executed as root user via web.py.
CVE-2020-26879
PUBLISHED: 2020-10-26
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.