PT-2021-2526 · Kaspersky · Kaspersky Small Office Security+4

Published

2021-03-31

·

Updated

2021-03-31

CVSS v2.0

6.0

Medium

VectorAV:L/AC:M/Au:S/C:N/I:C/A:C
Name of the Vulnerable Software and Affected Versions: Kaspersky Anti-Virus (affected versions not specified) Kaspersky Internet Security (affected versions not specified) Kaspersky Total Security (affected versions not specified) Kaspersky Small Office Security (affected versions not specified) Kaspersky Security Cloud (affected versions not specified)
Description: The issue is related to errors in handling symbolic links in the Browser Configuration Wizard component of Kaspersky antivirus products. Exploitation of this issue may allow an attacker to delete arbitrary files in the system using a reparse point.
Recommendations: For Kaspersky Anti-Virus, update to a version that includes a fix for the symbolic link handling error. For Kaspersky Internet Security, update to a version that includes a fix for the symbolic link handling error. For Kaspersky Total Security, update to a version that includes a fix for the symbolic link handling error. For Kaspersky Small Office Security, update to a version that includes a fix for the symbolic link handling error. For Kaspersky Security Cloud, update to a version that includes a fix for the symbolic link handling error. As a temporary workaround, consider restricting access to the Browser Configuration Wizard component until a patch is available.

Fix

Path traversal

Link Following

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Weakness Enumeration

Related Identifiers

BDU:2021-01932

Affected Products

Kaspersky Anti-Virus
Kaspersky Internet Security
Kaspersky Security Cloud
Kaspersky Small Office Security
Kaspersky Total Security