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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
posted in January 2017
Navigating Security in the Cloud
Diya Jolly, Chief Product Officer, Okta,  12/4/2019
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CVE-2019-19642
PUBLISHED: 2019-12-08
On SuperMicro X8STi-F motherboards with IPMI firmware 2.06 and BIOS 02.68, the Virtual Media feature allows OS Command Injection by authenticated attackers who can send HTTP requests to the IPMI IP address. This requires a POST to /rpc/setvmdrive.asp with shell metacharacters in ShareHost or ShareNa...
CVE-2019-19637
PUBLISHED: 2019-12-08
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c.
CVE-2019-19638
PUBLISHED: 2019-12-08
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function load_pnm at frompnm.c, due to an integer overflow.
CVE-2019-19635
PUBLISHED: 2019-12-08
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function sixel_decode_raw_impl at fromsixel.c.
CVE-2019-19636
PUBLISHED: 2019-12-08
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.