GitHub · Report #2505761
Information Leakage via Clicked Link in GitHub Repository (Fingerprinting)
Summary
An information disclosure vulnerability was identified in GitHub Enterprise Server via attacker uploaded asset URL allowing the attacker to retrieve metadata information of a user who clicks on the URL and further exploit it to create a convincing phishing page. This required the attacker to upload malicious SVG files and phish a victim user to click on that uploaded asset URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and was fixed in versions 3.14.2, 3.13.5, 3.12.10, 3.11.16.
How it was found
The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.