Path traversal in Bitbucket Server - CVE-2019-3397

 

Path traversal in Bitbucket Server - CVE-2019-3397

Published: May 29, 2019


Vulnerability identifier: #VU18629
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Amber
CVE-ID: CVE-2019-3397
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Atlassian
Affected software:
Bitbucket Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences via the Data Center migration tool. A remote attacker with authenticated user with admin permissions can send a specially crafted HTTP request and read or write to arbitrary files on the system.


How to mitigate CVE-2019-3397

Install updates from vendor's website.

Sources