Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU59043
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3677
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform DoS attack or gain access to sensitive information.
The vulnerability exists due memory leak during parallel sort operations. A remote user can force the application to leak memory and perform denial of service attack or read arbitrary memory parts on the system.
Update the affected package postgresql13 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Server Applications: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3
libpq5-32bit-debuginfo: before 13.4-5.16.2
libpq5-32bit: before 13.4-5.16.2
postgresql13: before 13.4-5.16.2
libpq5-debuginfo: before 13.4-5.16.2
libpq5: before 13.4-5.16.2
postgresql13-test: before 13.4-5.16.2
postgresql13-docs: before 13.4-5.16.2
postgresql13-server-devel-debuginfo: before 13.4-5.16.2
postgresql13-server-devel: before 13.4-5.16.2
postgresql13-server-debuginfo: before 13.4-5.16.2
postgresql13-server: before 13.4-5.16.2
postgresql13-pltcl-debuginfo: before 13.4-5.16.2
postgresql13-pltcl: before 13.4-5.16.2
postgresql13-plpython-debuginfo: before 13.4-5.16.2
postgresql13-plpython: before 13.4-5.16.2
postgresql13-plperl-debuginfo: before 13.4-5.16.2
postgresql13-plperl: before 13.4-5.16.2
postgresql13-devel-debuginfo: before 13.4-5.16.2
postgresql13-devel: before 13.4-5.16.2
postgresql13-debugsource: before 13.4-5.16.2
postgresql13-debuginfo: before 13.4-5.16.2
postgresql13-contrib-debuginfo: before 13.4-5.16.2
postgresql13-contrib: before 13.4-5.16.2
libecpg6-debuginfo: before 13.4-5.16.2
libecpg6: before 13.4-5.16.2
CPE2.3http://www.suse.com/support/update/announcement/2021/suse-su-20213255-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.