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kasperskyKaspersky LabKLA12013
HistoryOct 29, 2020 - 12:00 a.m.

KLA12013 Multiple vulnerabilities in Opera

2020-10-2900:00:00
Kaspersky Lab
threats.kaspersky.com
32

CVSS2

6.8

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

CVSS3

8.8

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

AI Score

9.4

Confidence

High

EPSS

0.033

Percentile

91.5%

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

Below is a complete list of vulnerabilities:

  1. Implementation vulnerability in Blink can be exploited to cause denial of service.
  2. A heap buffer overflow vulnerability in Freetype can be exploited to cause denial of service.
  3. Use after free vulnerability in printing component can be exploited to cause denial of service and bypass security restrictions.
  4. Use after free vulnerability in media component can be exploited to cause denial of service and bypass security restrictions.
  5. Use after free vulnerability in PDFium can be exploited to cause denial of service and bypass security restrictions.

Original advisories

Changelog for Opera 72

Stable Channel Update for Desktop

Exploitation

Public exploits exist for this vulnerability.

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

Related products

Opera

CVE list

CVE-2020-16001 critical

CVE-2020-15999 high

CVE-2020-16002 critical

CVE-2020-16003 critical

CVE-2020-16000 critical

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 72.0.3815.186

CVSS2

6.8

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

CVSS3

8.8

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

AI Score

9.4

Confidence

High

EPSS

0.033

Percentile

91.5%