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kasperskyKaspersky LabKLA11631
HistoryJan 08, 2020 - 12:00 a.m.

KLA11631 Type confusion vulnerability in Mozilla Firefox ESR

2020-01-0800:00:00
Kaspersky Lab
threats.kaspersky.com
38

8.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.525 Medium

EPSS

Percentile

97.5%

Detect date:

01/08/2020

Severity:

Critical

Description:

Type confusion vulnerability was found in Mozilla Firefox ESR. Malicious users can exploit this vulnerability to cause denial of service.

Exploitation:

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Affected products:

Mozilla Firefox ESR earlier than 68.4.1

Solution:

Update to the latest version
Download Mozilla Firefox ESR

Original advisories:

mfsa2020-03

Impacts:

DoS

Related products:

Mozilla Firefox ESR

CVE-IDS:

CVE-2019-170266.8High

8.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.525 Medium

EPSS

Percentile

97.5%