Author

 Thomas Ristenpart

Profile of Thomas Ristenpart

Asst. Professor, Computer Sciences, University of Wisconsin
News & Commentary Posts: 2

Thomas Ristenpart is on the Skyhigh Networks Cryptography Advisory Board and is a professor in the Department of Computer Sciences at the University of Wisconsin. His research spans a wide range of computer security topics, most recently focusing on new threats to, and opportunities for, cloud computing security, as well as topics in applied and theoretical cryptography. His work has been featured in the New York Times, MIT Technology Review, ABC News, U.S. News and World Report, and elsewhere. He completed his PhD at UC San Diego in 2010, received the UC San Diego Computer Science and Engineering Department Dissertation Award in 2011, an NSF CAREER Award in 2013, Best Paper Award at USENIX Security 2014, and is a co-PI for the ongoing NSF Frontier Project called Silver focusing on cloud security topics.

Articles by Thomas Ristenpart
6 Ways Greed Has a Negative Effect on Cybersecurity
Joshua Goldfarb, Co-founder & Chief Product Officer, IDRRA ,  6/11/2018
Weaponizing IPv6 to Bypass IPv4 Security
John Anderson, Principal Security Consultant, Trustwave Spiderlabs,  6/12/2018
'Shift Left' & the Connected Car
Rohit Sethi, COO of Security Compass,  6/12/2018
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2018-12026
PUBLISHED: 2018-06-17
During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in tur...
CVE-2018-12027
PUBLISHED: 2018-06-17
An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of said ...
CVE-2018-12028
PUBLISHED: 2018-06-17
An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates an e...
CVE-2018-12029
PUBLISHED: 2018-06-17
A race condition in the nginx module in Phusion Passenger 3.x through 5.x before 5.3.2 allows local escalation of privileges when a non-standard passenger_instance_registry_dir with insufficiently strict permissions is configured. Replacing a file with a symlink after the file was created, but befor...
CVE-2018-12071
PUBLISHED: 2018-06-17
A Session Fixation issue exists in CodeIgniter before 3.1.9 because session.use_strict_mode in the Session Library was mishandled.