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kasperskyKaspersky LabKLA11505
HistoryJun 20, 2019 - 12:00 a.m.

KLA11505 Incorrect parameters parsing vulnerability in Mozilla Firefox ESR

2019-06-2000:00:00
Kaspersky Lab
threats.kaspersky.com
18

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

9.9 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

82.0%

Vulnerability, related to insufficient vetting of parameters passed with the Prompt:Open IPC message was found in Mozilla Firefox. Malicious users can exploit this vulnerability via specially designed website to bypass security restrictions.

Original advisories

mfsa2019-19

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2019-11708 critical

Solution

Update to the latest version

Impacts

  • DoS

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

Affected Products

  • Mozilla Firefox ESR earlier than 60.7.2

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

9.9 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

82.0%