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kasperskyKaspersky LabKLA11487
HistoryMay 21, 2019 - 12:00 a.m.

KLA11487 Multiple vulnerabilities in Mozilla Firefox ESR

2019-05-2100:00:00
Kaspersky Lab
threats.kaspersky.com
23
mozilla firefox esr
vulnerabilities
security bypass
sensitive information
denial of service
arbitrary code

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

10

Confidence

High

EPSS

0.536

Percentile

97.7%

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

Below is a complete list of vulnerabilities:

  1. A type confusion vulnerability can be exploited remotely to bypass security restrictions;
  2. A cross-origin resource sharing vulnerability can be exploited remotely via a canvas to obtain sensitive information;
  3. A use-after-free vulnerability in crash generation server can be exploited remotely to cause denial of service or bypass security restrictions;
  4. A compartment mismatch vulnerability can be exploited to cause denial of service;
  5. A use-after-free vulnerability in the chrome event handler can be exploited to cause denial of service;
  6. A use-after-free vulnerability in XMLHttpRequest can be exploited to cause denial of service;
  7. A use-after-free vulnerability in the event listener manager can be exploited to cause denial of service;
  8. A use-after-free vulnerability in the png_image_free function in the libpng library can be exploited to cause denial of service;
  9. A cross-origin resource sharing vulnerability in createImageBitmap can be exploited to obtain sensitive information;
  10. A cross-origin resource sharing vulnerability in ImageBitmapRenderingContext can be exploited to obtain sensitive information;
  11. A memory leakage vulnerability in the Windows sandbox can be exploited to obtain sensitive information;
  12. An unspecified vulnerability can be exploited remotely via drag and drop of hyperlinks to and from bookmarks to obtain sensitive information;
  13. An out-of-bounds read vulnerability can be exploited to obtain sensitive information;
  14. Multiple memory corruption vulnerabilities can be exploited to execute arbitrary code.

Original advisories

mfsa2019-14

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2018-18511 warning

CVE-2019-5798 warning

CVE-2019-9797 warning

CVE-2019-9816 warning

CVE-2019-9817 warning

CVE-2019-9818 high

CVE-2019-9819 critical

CVE-2019-9820 critical

CVE-2019-11691 critical

CVE-2019-11692 critical

CVE-2019-7317 warning

CVE-2019-11694 warning

CVE-2019-11698 warning

CVE-2019-9800 critical

CVE-2019-9815 high

CVE-2019-11693 critical

Solution

Update to the latest version

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.

  • 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 ESR earlier than 60.7

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

10

Confidence

High

EPSS

0.536

Percentile

97.7%