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kasperskyKaspersky LabKLA11719
HistoryJan 16, 2020 - 12:00 a.m.

KLA11719 Use after free vulnerability in Opera

2020-01-1600:00:00
Kaspersky Lab
threats.kaspersky.com
17

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

0.007 Low

EPSS

Percentile

79.5%

Detect date:

01/16/2020

Severity:

High

Description:

Use after free vulnerability was found in Opera. Malicious users can exploit this vulnerability to cause denial of service.

Affected products:

Opera earlier than 66.0.3515.36

Solution:

Update to the latest version
Download Opera

Original advisories:

Changelog for opera 66
Stable Channel Update for Desktop

Impacts:

DoS

Related products:

Opera

CVE-IDS:

CVE-2020-63776.8High

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

0.007 Low

EPSS

Percentile

79.5%