SUSE SLED12 / SLES12 Security Update : webkit2gtk3 (SUSE-SU-2021:3768-1)

medium Nessus Plugin ID 155699

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED12 / SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:3768-1 advisory.

- BubblewrapLauncher.cpp in WebKitGTK and WPE WebKit before 2.34.1 allows a limited sandbox bypass that allows a sandboxed process to trick host processes into thinking the sandboxed process is not confined by the sandbox, by abusing VFS syscalls that manipulate its filesystem namespace. The impact is limited to host services that create UNIX sockets that WebKit mounts inside its sandbox, and the sandboxed process remains otherwise confined. NOTE: this is similar to CVE-2021-41133. (CVE-2021-42762)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1191937

https://www.suse.com/security/cve/CVE-2021-42762

http://www.nessus.org/u?a30697e9

Plugin Details

Severity: Medium

ID: 155699

File Name: suse_SU-2021-3768-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 11/24/2021

Updated: 11/24/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-42762

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:12:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:webkit2gtk-4_0-injected-bundles:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:webkit2gtk3-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:libjavascriptcoregtk-4_0-18:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:libwebkit2gtk-4_0-37:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:libwebkit2gtk3-lang:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:typelib-1_0-javascriptcore-4_0:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:typelib-1_0-webkit2-4_0:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:typelib-1_0-webkit2webextension-4_0:*:*:*:*:*:*:*

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/23/2021

Vulnerability Publication Date: 10/20/2021

Reference Information

CVE: CVE-2021-42762

SuSE: SUSE-SU-2021:3768-1