Ubuntu update for webkit2gtk



Published: 2023-01-10
Risk Critical
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2022-42852
CVE-2022-42856
CVE-2022-42867
CVE-2022-46692
CVE-2022-46698
CVE-2022-46699
CVE-2022-46700
CWE-ID CWE-125
CWE-843
CWE-119
CWE-254
CWE-200
Exploitation vector Network
Public exploit Vulnerability #2 is being exploited in the wild.
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

libjavascriptcoregtk-4.0-18 (Ubuntu package)
Operating systems & Components / Operating system package or component

libjavascriptcoregtk-5.0-0 (Ubuntu package)
Operating systems & Components / Operating system package or component

libwebkit2gtk-4.0-37 (Ubuntu package)
Operating systems & Components / Operating system package or component

libwebkit2gtk-5.0-0 (Ubuntu package)
Operating systems & Components / Operating system package or component

libwebkit2gtk-4.1-0 (Ubuntu package)
/

libjavascriptcoregtk-4.1-0 (Ubuntu package)
/

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU70238

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42852

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Type Confusion

EUVDB-ID: #VU70195

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-42856

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

3) Buffer overflow

EUVDB-ID: #VU70234

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42867

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Security features bypass

EUVDB-ID: #VU70236

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46692

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in WebKit. A remote attacker can trick the victim to visit a specially crafted web page and bypass Same Origin Policy.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Information disclosure

EUVDB-ID: #VU70243

Risk: Medium

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46698

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in WebKit. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Buffer overflow

EUVDB-ID: #VU70241

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46699

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Buffer overflow

EUVDB-ID: #VU70240

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46700

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.3-0ubuntu0.22.10.1

External links

http://ubuntu.com/security/notices/USN-5797-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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