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kasperskyKaspersky LabKLA11739
HistoryAug 16, 2019 - 12:00 a.m.

KLA11739 Multiple vulnerabilities in Opera

2019-08-1600:00:00
Kaspersky Lab
threats.kaspersky.com
19

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

48.7%

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service.

Below is a complete list of vulnerabilities:

  1. Out of bounds read vulnerability in V8 component can be exploited remotely via special crafted webpage to potentially cause denial of service.
  2. Use after free vulnerability in PDFium component can be exploited remotely via special crafted file to potentially cause denial of service.

Original advisories

Stable Channel Update for Desktop

Changelog for Opera 63

Related products

Opera

CVE list

CVE-2019-5868 warning

CVE-2019-5867 warning

Solution

Update to the latest version

Download Opera

Impacts

  • 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.

Affected Products

  • Opera earlier than 63.0.3368.33

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

48.7%