CVE Vulnerabilities

CVE-2021-21562

Untrusted Search Path

Published: Aug 03, 2021 | Modified: Aug 11, 2021
CVSS 3.x
4.4
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

Dell EMC PowerScale OneFS contains an untrusted search path vulnerability. This vulnerability allows a user with (ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE) and (ISI_PRIV_SYS_UPGRADE or ISI_PRIV_AUDIT) to provide an untrusted path which can lead to run resources that are not under the application’s direct control.

Weakness

The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product’s direct control.

Affected Software

Name Vendor Start Version End Version
Emc_powerscale_onefs Dell 8.1.2 (including) 8.1.2 (including)
Emc_powerscale_onefs Dell 8.1.3 (including) 8.1.3 (including)
Emc_powerscale_onefs Dell 9.0.0.0 (including) 9.0.0.0 (including)
Emc_powerscale_onefs Dell 9.1.0.0 (including) 9.1.0.0 (including)

Extended Description

This might allow attackers to execute their own programs, access unauthorized data files, or modify configuration in unexpected ways. If the product uses a search path to locate critical resources such as programs, then an attacker could modify that search path to point to a malicious program, which the targeted product would then execute. The problem extends to any type of critical resource that the product trusts. Some of the most common variants of untrusted search path are:

Potential Mitigations

References