Ubuntu update for webkit2gtk
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2022-22624 CVE-2022-22628 CVE-2022-22629 CVE-2022-22637 |
| CWE-ID | CWE-416 CWE-122 CWE-346 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #3 is available. |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system libjavascriptcoregtk-4.0-18 (Ubuntu package) Operating systems & Components / Operating system package or component libwebkit2gtk-4.0-37 (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU61335
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-2022-22624
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate the affected package webkit2gtk to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 21.10
libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
libwebkit2gtk-4.0-37 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
External linkshttp://ubuntu.com/security/notices/USN-5394-1
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) Use-after-free
EUVDB-ID: #VU61336
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-2022-22628
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate the affected package webkit2gtk to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 21.10
libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
libwebkit2gtk-4.0-37 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
External linkshttp://ubuntu.com/security/notices/USN-5394-1
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.
3) Heap-based buffer overflow
EUVDB-ID: #VU61337
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-22629
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content within the WebGLMultiDraw component. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected package webkit2gtk to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 21.10
libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
libwebkit2gtk-4.0-37 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
External linkshttp://ubuntu.com/security/notices/USN-5394-1
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. However, proof of concept for this vulnerability is available.
4) Origin validation error
EUVDB-ID: #VU61338
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-22637
CWE-ID:
CWE-346 - Origin Validation Error
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a logic error in WebKit. A remote attacker can trick the victim to visit a specially crafted website and cause unexpected cross-origin behavior.
MitigationUpdate the affected package webkit2gtk to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 21.10
libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
libwebkit2gtk-4.0-37 (Ubuntu package): before 2.36.0-0ubuntu0.21.10.3
External linkshttp://ubuntu.com/security/notices/USN-5394-1
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.
