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kasperskyKaspersky LabKLA49064
HistoryApr 26, 2023 - 12:00 a.m.

KLA49064 Multiple vulnerabilities in Opera

2023-04-2600:00:00
Kaspersky Lab
threats.kaspersky.com
19
opera
vulnerabilities
denial of service
arbitrary code
update
cve-2023-2033
cve-2023-2134
cve-2023-2136
cve-2023-2133
cve-2023-2135
cve-2023-2137
ace
exploit

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.023 Low

EPSS

Percentile

89.7%

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

Below is a complete list of vulnerabilities:

  1. Type confusion vulnerability in V8 can be exploited to cause denial of service.
  2. Heap buffer overflow vulnerability in sqlite can be exploited to cause denial of service.
  3. Integer overflow vulnerability in Skia can be exploited to cause execute arbitrary code and denial of service.
  4. Use after free vulnerability in DevTools can be exploited to cause denial of service or execute arbitrary code.
  5. Out of bounds memory access vulnerability in Service Worker API can be exploited to cause denial of service.

Original advisories

Opera 98 Stable update

Stable Channel Update for Desktop

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-2023-2033 critical

CVE-2023-2134 critical

CVE-2023-2136 critical

CVE-2023-2133 critical

CVE-2023-2135 critical

CVE-2023-2137 critical

Solution

Update to the latest version

Download Opera

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Affected Products

  • Opera earlier than 98.0.4759.15

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.023 Low

EPSS

Percentile

89.7%