The Importance of Trust Validation: Microsoft’s Dangerous Mistake
Vulnerability in VSIX signature validation Last year we discovered a vulnerability in the Visual Studio Extension (VSIX) installer, which comes with ...
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Unfulfilled Expectations: Revoked Certificates in JAR Signing
Oracle JarSigner does not check CRLs In April 2020 we became aware of a conceptual security issue in the Java JarSigner. The JarSigner does not check ...
Read MoreAnalysis of Crypto used by AppVeyor Secure Variables
We recently investigated AppVeyor’s “secure variables” (aka “Encrypt YAML”) feature. We wanted to understand the crypto and algorithms it uses (which is not documen ...
Read MoreManipulating Signed Docker Images
Docker Content Trust (DCT) is Docker’s mechanism for code signing. Developers can sign images they create and people using these images can verify if they have b ...
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