CVE-2018-25332
CriticalSummary
GitBucket version 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands. This is exploited through weak secret token generation and insecure file upload functionality.
Risk Assessment
Attackers can brute-force the Blowfish encryption key, upload a malicious JAR plugin via the git-lfs endpoint, and execute system commands through an exposed exploit endpoint. This poses a serious security threat to the system.
Recommendation
It is recommended to update GitBucket to the latest version and implement stronger token generation mechanisms and file upload security.
Original NVD description (English source)
GitBucket 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands by exploiting weak secret token generation and insecure file upload functionality. Attackers can brute-force the Blowfish encryption key, upload a malicious JAR plugin via the git-lfs endpoint, and execute system commands through an exposed exploit endpoint.