CVE-2020-36163

An issue was discovered in Veritas NetBackup and OpsCenter through 8.3.0.1

Critical · published January 6, 2021

CVSS v3.1
9.3
EPSS
0%
Percentile
34.4
In the wild
Unconfirmed
What it is

🔥 A low-privileged user's simple directory creation can unlock full admin access in Veritas NetBackup and OpsCenter! Think of it like a cheeky guest at a hotel making a fake reservation for the master suite. If the staff doesn’t check the back end, that guest can waltz right in and access all the rooms - or in this case, all the system data! An attacker could easily execute arbitrary code as SYSTEM or Administrator, gaining unrestricted access to sensitive data, installed applications, and critical system functionalities. This is a recipe for disaster, allowing malicious actions that could compromise the entire network and its resources.

Put simply

Think of it like a cheeky guest at a hotel making a fake reservation for the master suite. If the staff doesn’t check the back end, that guest can waltz right in and access all the rooms - or in this case, all the system data! This vulnerability arises from NetBackup’s reliance on Strawberry Perl to load libraries from user-defined paths, which can be manipulated by low-privileged users on Windows systems. This misconfiguration allows the execution of malicious code if the path matches the expected loading points.

What to do

An attacker could easily execute arbitrary code as SYSTEM or Administrator, gaining unrestricted access to sensitive data, installed applications, and critical system functionalities. This is a recipe for disaster, allowing malicious actions that could compromise the entire network and its resources. To secure your systems, immediately update to the latest version of Veritas NetBackup and OpsCenter, where this vulnerability is patched. Review user permissions to ensure that only authorized personnel can create directories in critical paths on Windows systems. Regularly audit your installation and upgrade processes to catch any potential misconfigurations. You’ve got this! By addressing this vulnerability promptly, you’ll lock down your systems and fortify your defenses! 🛡️

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:C/UI:N
CVSS v4.0
Not supplied
EPSS
0.00413 · 34.4th percentile
Published
2021-01-06T00:52Z
EPSS history
Timeline
  • 06 JAN 00:52Z
    An issue was discovered in Veritas NetBackup and OpsCenter through 8.3.0.1
    cvelistv5