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kasperskyKaspersky LabKLA11742
HistorySep 26, 2019 - 12:00 a.m.

KLA11742 Multiple vulnerabilities in Opera

2019-09-2600:00:00
Kaspersky Lab
threats.kaspersky.com
16

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

9.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.8%

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. Use after free vulnerability in Blink can be exploited remotely via special crafted webpage to potentially cause denial of service.
  2. Use after free vulnerability in sharing view can be exploited remotely via special crafted webpage to potentially cause denial of service.
  3. Use after free vulnerability in offline mode can be exploited remotely via special crafted webpage to potentially cause denial of service.

Original advisories

Changelog for Opera 64

Stable Channel Update for Desktop

Exploitation

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

Related products

Opera

CVE list

CVE-2019-13685 high

CVE-2019-13687 high

CVE-2019-13688 high

CVE-2019-13686 high

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 64.0.3417.32

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

9.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.8%