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kasperskyKaspersky LabKLA20168
HistoryJan 17, 2023 - 12:00 a.m.

KLA20168 Multiple vulnerabilities in Mozilla Firefox

2023-01-1700:00:00
Kaspersky Lab
threats.kaspersky.com
63
mozilla firefox
vulnerabilities
security bypass
arbitrary code execution
user interface spoofing
update
ace
osi
sb
xss/css
sui

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.002

Percentile

65.0%

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, spoof user interface.

Below is a complete list of vulnerabilities:

  1. Security vulnerability in SystemPrincipal can be exploited to bypass security restrictions.
  2. Security vulnerability in WebWorker can be exploited to bypass security restrictions.
  3. Code execution vulnerability in GTK drag and drop can be exploited remotely to execute arbitrary code.
  4. Code execution vulnerability in process allocation can be exploited remotely to execute arbitrary code.
  5. Code execution vulnerability in Devtools can be exploited remotely to execute arbitrary code.
  6. Memory safety vulnerability can be exploited to execute arbitrary code.
  7. Security vulnerability in Notification permissions can be exploited to bypass security restrictions.
  8. Security vulnerability in format directive can be exploited to bypass security restrictions.
  9. Security UI vulnerability in cross-origin iframe can be exploited to spoof user interface.

Original advisories

MSFA2023-01

Related products

Mozilla-Firefox

CVE list

CVE-2023-23604 high

CVE-2023-23602 high

CVE-2023-23598 high

CVE-2023-23597 high

CVE-2023-23599 high

CVE-2023-23605 critical

CVE-2023-23600 high

CVE-2023-23603 high

CVE-2023-23601 high

CVE-2023-23606 critical

Solution

Update to the latest version

Download Firefox

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

  • XSS/CSS

Cross site scripting. Exploitation of vulnerabilities with this impact can lead to partial interception of information transmitted between user and site.

  • SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

  • Mozilla Firefox earlier than 109.0

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.002

Percentile

65.0%