NA

CVE-2022-43781

Published: 17/11/2022 Updated: 18/11/2022
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled “Allow public signup”.

Vulnerability Trend

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atlassian bitbucket

Exploits

For various versions of Bitbucket, there is an authenticated command injection vulnerability that can be exploited by injecting environment variables into a user name This module achieves remote code execution as the atlbitbucket user by injecting the GIT_EXTERNAL_DIFF environment variable, a null character as a delimiter, and arbitrary code into ...