Risk | Critical |
Patch available | YES |
Number of vulnerabilities | 8 |
CVE-ID | CVE-2020-27918 CVE-2020-29623 CVE-2020-9947 CVE-2021-1765 CVE-2021-1789 CVE-2021-1799 CVE-2021-1801 CVE-2021-1870 |
CWE-ID | CWE-416 CWE-459 CWE-264 CWE-843 CWE-200 CWE-840 |
Exploitation vector | Network |
Public exploit |
Vulnerability #5 is being exploited in the wild. Vulnerability #8 is being exploited in the wild. |
Vulnerable software |
WPE WebKit Server applications / Frameworks for developing and running applications WebKitGTK+ Server applications / Frameworks for developing and running applications |
Vendor | WebKitGTK |
Security Bulletin
This security bulletin contains information about 8 vulnerabilities.
EUVDB-ID: #VU48190
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-2020-27918
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 web content within WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWPE WebKit: 2.19.93 - 2.31.90
WebKitGTK+: 2.0.0 - 2.31.90
CPE2.3http://webkitgtk.org/security/WSA-2021-0002.html
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.
EUVDB-ID: #VU51625
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-29623
CWE-ID:
CWE-459 - Incomplete cleanup
Exploit availability: No
DescriptionThe vulnerability allows an attacker to gain access to sensitive information.
The vulnerability exists due to software fails to to fully delete browsing history under certain circumstances via the “Clear History and Website Data” option. An attacker with access to the system can obtain browsing data after cleanup.
Install updates from vendor's website.
Vulnerable software versionsWebKitGTK+: 2.0.0 - 2.31.90
WPE WebKit: 2.19.93 - 2.31.90
CPE2.3http://webkitgtk.org/security/WSA-2021-0002.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU51626
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-2020-9947
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 web content. A remote attacker can create a specially crafted web page, trick the victim into opening it, 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWebKitGTK+: 2.0.0 - 2.29.92
WPE WebKit: 2.19.93 - 2.29.91
CPE2.3http://webkitgtk.org/security/WSA-2021-0002.html
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.
EUVDB-ID: #VU50232
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-2021-1765
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose sanboxing policy in WebKit. A remote attacker can create a specially crafted web page, trick the victim into visiting it and bypass implemented security restrictions.
Install updates from vendor's website.
Vulnerable software versionsWPE WebKit: 2.19.93 - 2.31.90
WebKitGTK+: 2.0.0 - 2.31.90
CPE2.3http://support.apple.com/en-us/HT212147
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.
EUVDB-ID: #VU50234
Risk: High
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-2021-1789
CWE-ID:
CWE-843 - Type confusion
Exploit availability: No
DescriptionThe 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 open 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWPE WebKit: 2.19.93 - 2.31.90
WebKitGTK+: 2.0.0 - 2.31.90
CPE2.3http://support.apple.com/en-us/HT212147
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.
EUVDB-ID: #VU50235
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-2021-1799
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a port redirection issue in WebRTC. A remote attacker can gain unauthorized access to sensitive information, such as open ports in the local network.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWebKitGTK+: 2.0.0 - 2.31.90
WPE WebKit: 2.19.93 - 2.31.90
CPE2.3http://support.apple.com/en-us/HT212147
http://webkitgtk.org/security/WSA-2021-0002.html
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.
EUVDB-ID: #VU50233
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-2021-1801
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose sanboxing policy in WebKit. A remote attacker can create a specially crafted web page, trick the victim into visiting it and bypass implemented security restrictions.
Install updates from vendor's website.
Vulnerable software versionsWPE WebKit: 2.19.93 - 2.31.90
WebKitGTK+: 2.0.0 - 2.31.90
CPE2.3http://support.apple.com/en-us/HT212147
http://webkitgtk.org/security/WSA-2021-0002.html
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.
EUVDB-ID: #VU50043
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-2021-1870
CWE-ID:
CWE-840 - Business Logic Errors (3.0)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to a logic issue in the WebKit component. A remote attacker can trick a victim to visit a malicious website and execute arbitrary code on the system.
Note: The vulnerability is being actively exploited in the wild.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWPE WebKit: 2.27.91 - 2.31.90
WebKitGTK+: 2.5.2a - 2.31.90
CPE2.3http://support.apple.com/en-us/HT212146
http://webkitgtk.org/security/WSA-2021-0002.html
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.