Passwordless products promise greater security and convenience by allowing users to log in to Windows systems with only their smartphone. But what is going on behind the scenes and how could a domain’s security stance be worsened by such a solution? In this post I will explain how these products are implemented and detail the vulnerabilities and weaknesses discovered in three tested products.
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Offensive Defense
On October 12th the Swiss Cyber Storm conference took place in the Kursaal in Bern. Several Compass analysts attended the conference, our security analyst Yves Bieri held a talk and we also had a booth. The conference was great fun, finally a in-person conference with many interesting talks. This blog post wraps up some talks we attended.
ArcGIS [1] is a family of software providing geographic information system services. While testing a customer’s ArcGIS architecture we came across a SAML login flow. In this blogpost we show how we found and exploited an AES-CBC padding oracle in this flow.
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