Link following in syncthing - CVE-2017-1000420

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Main Vulnerability Database Vulnerabilities #VU79773

Link following in syncthing - CVE-2017-1000420

Published: August 21, 2023


Vulnerability identifier: #VU79773
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-1000420
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
syncthing
Software vendor:
syncthing.net

Description

The vulnerability allows a remote user to overwrite arbitrary files on the system.

The vulnerability exists due to a symlink following issue. A remote user can pass a specially crafted file to the application and overwrite arbitrary files on the system.


Remediation

Install updates from vendor's website.

External links