Path traversal in Junos OS - CVE-2020-1606
Published: January 10, 2020
Vulnerability identifier: #VU24186
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1606
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated J-web user can send a specially crafted HTTP request and read files with "world" readable permission and delete files with "world" writeable permission.
Affected software
Junos OS
How to mitigate CVE-2020-1606
Install update from vendor's website.
Junos OS - addressed in versions 12.3X48-D85, 12.3R12-S13, 14.1X53-D51, 15.1F6-S13, 15.1X49-D180, 15.1X53-D238, 15.1R7-S5, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10, 17.1R3-S1, 17.2R1-S9, 17.2R3-S2, 17.3R2-S5, 17.3R3-S5, 17.4R2-S9, 17.4R3, 18.1R3-S8, 18.2R3, 18.3R2-S3, 18.3R3, 18.4R2-S1, 19.1R, 19.1R1-S4