SB2021022315 - Multiple vulnerabilities in Pi-hole

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Main Vulnerability Database SB2021022315

SB2021022315 - Multiple vulnerabilities in Pi-hole

Published: February 23, 2021

Security Bulletin ID SB2021022315
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2020-35592)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the Options header in the admin/ URI. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Session Fixation (CVE-ID: CVE-2020-35591)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the failure to generate a new session cookie after the user is logged in. A remote attacker can trick a victim to visit a specially crafted website and gain access to another user's session.


Remediation

Install update from vendor's website.

References