SUSE update for webkit2gtk3
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-21806 CVE-2021-30858 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Vulnerability #2 is being exploited in the wild. |
| Vulnerable software |
SUSE OpenStack Cloud Crowbar Operating systems & Components / Operating system SUSE Linux Enterprise Software Development Kit Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system HPE Helion Openstack Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE OpenStack Cloud Operating systems & Components / Operating system webkit2gtk3-devel Operating systems & Components / Operating system package or component webkit2gtk3-debugsource Operating systems & Components / Operating system package or component webkit2gtk-4_0-injected-bundles-debuginfo Operating systems & Components / Operating system package or component webkit2gtk-4_0-injected-bundles Operating systems & Components / Operating system package or component typelib-1_0-WebKit2WebExtension-4_0 Operating systems & Components / Operating system package or component typelib-1_0-WebKit2-4_0 Operating systems & Components / Operating system package or component typelib-1_0-JavaScriptCore-4_0 Operating systems & Components / Operating system package or component libwebkit2gtk-4_0-37-debuginfo Operating systems & Components / Operating system package or component libwebkit2gtk-4_0-37 Operating systems & Components / Operating system package or component libjavascriptcoregtk-4_0-18-debuginfo Operating systems & Components / Operating system package or component libjavascriptcoregtk-4_0-18 Operating systems & Components / Operating system package or component libwebkit2gtk3-lang Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU53781
Risk: High
CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]
CVE-ID: CVE-2021-21806
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. 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.
MitigationUpdate the affected package webkit2gtk3 to the latest version.
Vulnerable software versionsSUSE OpenStack Cloud Crowbar: 8 - 9
SUSE Linux Enterprise Software Development Kit: 12-SP5
SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4
HPE Helion Openstack: 8
SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5
SUSE OpenStack Cloud: 8 - 9
webkit2gtk3-devel: before 2.32.4-2.71.2
webkit2gtk3-debugsource: before 2.32.4-2.71.2
webkit2gtk-4_0-injected-bundles-debuginfo: before 2.32.4-2.71.2
webkit2gtk-4_0-injected-bundles: before 2.32.4-2.71.2
typelib-1_0-WebKit2WebExtension-4_0: before 2.32.4-2.71.2
typelib-1_0-WebKit2-4_0: before 2.32.4-2.71.2
typelib-1_0-JavaScriptCore-4_0: before 2.32.4-2.71.2
libwebkit2gtk-4_0-37-debuginfo: before 2.32.4-2.71.2
libwebkit2gtk-4_0-37: before 2.32.4-2.71.2
libjavascriptcoregtk-4_0-18-debuginfo: before 2.32.4-2.71.2
libjavascriptcoregtk-4_0-18: before 2.32.4-2.71.2
libwebkit2gtk3-lang: before 2.32.4-2.71.2
CPE2.3- cpe:2.3:o:suse:suse_openstack_cloud_crowbar:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud_crowbar:9:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:hpe_helion_openstack:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP2-BCL:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-BCL:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud:8:*:*:*:*:*:*:*
- cpe:2.3:a:suse:webkit2gtk3-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:webkit2gtk3-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:webkit2gtk-4_0-injected-bundles-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:webkit2gtk-4_0-injected-bundles:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:typelib-1_0-webkit2webextension-4_0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:typelib-1_0-webkit2-4_0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:typelib-1_0-javascriptcore-4_0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libwebkit2gtk-4_0-37-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libwebkit2gtk-4_0-37:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libjavascriptcoregtk-4_0-18-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libjavascriptcoregtk-4_0-18:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libwebkit2gtk3-lang:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2021/suse-su-20213296-1/
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.
2) Use-after-free
EUVDB-ID: #VU56475
Risk: Critical
CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
CVE-ID: CVE-2021-30858
CWE-ID:
CWE-416 - Use After Free
Exploit availability: Yes
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 web page, 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.
Note, the vulnerability is being actively exploited in-the-wild.
Update the affected package webkit2gtk3 to the latest version.
Vulnerable software versionsSUSE OpenStack Cloud Crowbar: 8 - 9
SUSE Linux Enterprise Software Development Kit: 12-SP5
SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4
HPE Helion Openstack: 8
SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5
SUSE OpenStack Cloud: 8 - 9
webkit2gtk3-devel: before 2.32.4-2.71.2
webkit2gtk3-debugsource: before 2.32.4-2.71.2
webkit2gtk-4_0-injected-bundles-debuginfo: before 2.32.4-2.71.2
webkit2gtk-4_0-injected-bundles: before 2.32.4-2.71.2
typelib-1_0-WebKit2WebExtension-4_0: before 2.32.4-2.71.2
typelib-1_0-WebKit2-4_0: before 2.32.4-2.71.2
typelib-1_0-JavaScriptCore-4_0: before 2.32.4-2.71.2
libwebkit2gtk-4_0-37-debuginfo: before 2.32.4-2.71.2
libwebkit2gtk-4_0-37: before 2.32.4-2.71.2
libjavascriptcoregtk-4_0-18-debuginfo: before 2.32.4-2.71.2
libjavascriptcoregtk-4_0-18: before 2.32.4-2.71.2
libwebkit2gtk3-lang: before 2.32.4-2.71.2
CPE2.3- cpe:2.3:o:suse:suse_openstack_cloud_crowbar:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud_crowbar:9:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:hpe_helion_openstack:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP2-BCL:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-BCL:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud:8:*:*:*:*:*:*:*
- cpe:2.3:a:suse:webkit2gtk3-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:webkit2gtk3-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:webkit2gtk-4_0-injected-bundles-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:webkit2gtk-4_0-injected-bundles:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:typelib-1_0-webkit2webextension-4_0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:typelib-1_0-webkit2-4_0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:typelib-1_0-javascriptcore-4_0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libwebkit2gtk-4_0-37-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libwebkit2gtk-4_0-37:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libjavascriptcoregtk-4_0-18-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libjavascriptcoregtk-4_0-18:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libwebkit2gtk3-lang:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2021/suse-su-20213296-1/
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.
