SUSE update for postgresql10



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-32027
CVE-2021-32028
CWE-ID CWE-190
CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Module for Legacy Software
Operating systems & Components / Operating system

SUSE Linux Enterprise Module for Server Applications
Operating systems & Components / Operating system

SUSE Linux Enterprise Module for Basesystem
Operating systems & Components / Operating system

postgresql10
Operating systems & Components / Operating system package or component

postgresql10-docs
Operating systems & Components / Operating system package or component

postgresql10-server-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-server
Operating systems & Components / Operating system package or component

postgresql10-pltcl-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-pltcl
Operating systems & Components / Operating system package or component

postgresql10-plpython-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-plpython
Operating systems & Components / Operating system package or component

postgresql10-plperl-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-plperl
Operating systems & Components / Operating system package or component

postgresql10-devel-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-devel
Operating systems & Components / Operating system package or component

postgresql10-debugsource
Operating systems & Components / Operating system package or component

postgresql10-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-contrib-debuginfo
Operating systems & Components / Operating system package or component

postgresql10-contrib
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU53231

Risk: Medium

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-32027

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when processing certain SQL array values during array subscribing calculation. An authenticated database user can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system and can be exploited by a remote unauthenticated attacker via SQL injection vulnerability in the frontend application.

Mitigation

Update the affected package postgresql10 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Legacy Software: 15-SP3

SUSE Linux Enterprise Module for Server Applications: 15-SP2

SUSE Linux Enterprise Module for Basesystem: 15-SP2

postgresql10: before 10.17-8.35.1

postgresql10-docs: before 10.17-8.35.1

postgresql10-server-debuginfo: before 10.17-8.35.1

postgresql10-server: before 10.17-8.35.1

postgresql10-pltcl-debuginfo: before 10.17-8.35.1

postgresql10-pltcl: before 10.17-8.35.1

postgresql10-plpython-debuginfo: before 10.17-8.35.1

postgresql10-plpython: before 10.17-8.35.1

postgresql10-plperl-debuginfo: before 10.17-8.35.1

postgresql10-plperl: before 10.17-8.35.1

postgresql10-devel-debuginfo: before 10.17-8.35.1

postgresql10-devel: before 10.17-8.35.1

postgresql10-debugsource: before 10.17-8.35.1

postgresql10-debuginfo: before 10.17-8.35.1

postgresql10-contrib-debuginfo: before 10.17-8.35.1

postgresql10-contrib: before 10.17-8.35.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2021/suse-su-20211970-1/


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.

2) Memory leak

EUVDB-ID: #VU53232

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-32028

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due memory leak within the INSERT ... ON CONFLICT ... DO UPDATE command implementation. A remote authenticated database user can execute the affected command to read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will.

Mitigation

Update the affected package postgresql10 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Legacy Software: 15-SP3

SUSE Linux Enterprise Module for Server Applications: 15-SP2

SUSE Linux Enterprise Module for Basesystem: 15-SP2

postgresql10: before 10.17-8.35.1

postgresql10-docs: before 10.17-8.35.1

postgresql10-server-debuginfo: before 10.17-8.35.1

postgresql10-server: before 10.17-8.35.1

postgresql10-pltcl-debuginfo: before 10.17-8.35.1

postgresql10-pltcl: before 10.17-8.35.1

postgresql10-plpython-debuginfo: before 10.17-8.35.1

postgresql10-plpython: before 10.17-8.35.1

postgresql10-plperl-debuginfo: before 10.17-8.35.1

postgresql10-plperl: before 10.17-8.35.1

postgresql10-devel-debuginfo: before 10.17-8.35.1

postgresql10-devel: before 10.17-8.35.1

postgresql10-debugsource: before 10.17-8.35.1

postgresql10-debuginfo: before 10.17-8.35.1

postgresql10-contrib-debuginfo: before 10.17-8.35.1

postgresql10-contrib: before 10.17-8.35.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2021/suse-su-20211970-1/


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.



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