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kasperskyKaspersky LabKLA11628
HistoryJan 07, 2020 - 12:00 a.m.

KLA11628 Multiple vulnerabilities in Mozilla Firefox

2020-01-0700:00:00
Kaspersky Lab
threats.kaspersky.com
51

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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

9.4

Confidence

High

EPSS

0.012

Percentile

85.5%

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information, bypass security restrictions, perform cross-site scripting attack.

Below is a complete list of vulnerabilities:

  1. ACE vulnerability on Windows can be exploited locally.
  2. Memory corruption vulnerability can be exploited locally to execute arbitrary code.
  3. Memory corruption vulnerability on Windows can be exploited locally to obtain sensitive information.
  4. Bypass security vulnerability can be exploited locally to obtain sensitive information.
  5. Type confusion vulnerability can be exploited locally to execute arbitrary code.
  6. Bypass security vulnerability can be exploited locally to use lower protocol that TLS 1.3.
  7. CSS sanitization vulnerability can be exploited locally.
  8. Bypass security vulnerability on Windows can be exploited locally to obtain sensitive information.
  9. Memory corruption vulnerability on Windows can be exploited locally to cause denial of service.

Original advisories

mfsa2020-01

Related products

Mozilla-Firefox

CVE list

CVE-2019-17019 high

CVE-2019-17024 high

CVE-2019-17021 warning

CVE-2019-17016 warning

CVE-2019-17017 high

CVE-2019-17025 high

CVE-2019-17023 warning

CVE-2019-17022 warning

CVE-2019-17020 warning

CVE-2019-17018 warning

CVE-2019-17015 high

Solution

Update to the latest version

Download Mozilla 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.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

  • 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 72

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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

9.4

Confidence

High

EPSS

0.012

Percentile

85.5%