Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU51454
Risk: Low
CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28153
CWE-ID:
CWE-61 - UNIX Symbolic Link (Symlink) Following
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue, when g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
MitigationUpdate the affected package glib2 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Realtime Extension: 15-SP2
SUSE Linux Enterprise Micro: 5.0 - 5.2
SUSE Linux Enterprise Server: 15-SP3-LTSS
SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS
SUSE Linux Enterprise Desktop: 15-SP3
openSUSE Leap: 15.3 - 15.4
SUSE Manager Server: 4.2
SUSE Manager Proxy: 4.2
SUSE Linux Enterprise Server for SAP Applications: 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP3
glib2-lang: before 2.62.6-150200.3.9.1
gio-branding-upstream: before 2.62.6-150200.3.9.1
libgthread-2_0-0-32bit-debuginfo: before 2.62.6-150200.3.9.1
libgthread-2_0-0-32bit: before 2.62.6-150200.3.9.1
libgobject-2_0-0-32bit-debuginfo: before 2.62.6-150200.3.9.1
libgobject-2_0-0-32bit: before 2.62.6-150200.3.9.1
libgmodule-2_0-0-32bit-debuginfo: before 2.62.6-150200.3.9.1
libgmodule-2_0-0-32bit: before 2.62.6-150200.3.9.1
libglib-2_0-0-32bit-debuginfo: before 2.62.6-150200.3.9.1
libglib-2_0-0-32bit: before 2.62.6-150200.3.9.1
libgio-2_0-0-32bit-debuginfo: before 2.62.6-150200.3.9.1
libgio-2_0-0-32bit: before 2.62.6-150200.3.9.1
glib2-tools-32bit-debuginfo: before 2.62.6-150200.3.9.1
glib2-tools-32bit: before 2.62.6-150200.3.9.1
glib2-devel-32bit-debuginfo: before 2.62.6-150200.3.9.1
glib2-devel-32bit: before 2.62.6-150200.3.9.1
libgthread-2_0-0-debuginfo: before 2.62.6-150200.3.9.1
libgthread-2_0-0: before 2.62.6-150200.3.9.1
libgobject-2_0-0-debuginfo: before 2.62.6-150200.3.9.1
libgobject-2_0-0: before 2.62.6-150200.3.9.1
libgmodule-2_0-0-debuginfo: before 2.62.6-150200.3.9.1
libgmodule-2_0-0: before 2.62.6-150200.3.9.1
libglib-2_0-0-debuginfo: before 2.62.6-150200.3.9.1
libglib-2_0-0: before 2.62.6-150200.3.9.1
libgio-2_0-0-debuginfo: before 2.62.6-150200.3.9.1
libgio-2_0-0: before 2.62.6-150200.3.9.1
glib2-tools-debuginfo: before 2.62.6-150200.3.9.1
glib2-tools: before 2.62.6-150200.3.9.1
glib2-devel-static: before 2.62.6-150200.3.9.1
glib2-devel-debuginfo: before 2.62.6-150200.3.9.1
glib2-devel: before 2.62.6-150200.3.9.1
glib2-debugsource: before 2.62.6-150200.3.9.1
libgio-fam-32bit-debuginfo: before 2.62.6-150200.3.9.1
libgio-fam-32bit: before 2.62.6-150200.3.9.1
libgio-fam-debuginfo: before 2.62.6-150200.3.9.1
libgio-fam: before 2.62.6-150200.3.9.1
glib2-tests-debuginfo: before 2.62.6-150200.3.9.1
glib2-tests: before 2.62.6-150200.3.9.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20221455-1/
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.