Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2021-23214 CVE-2021-23222 |
CWE-ID | CWE-311 |
Exploitation vector | Local 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 SUSE Linux Enterprise Module for Packagehub Subpackages Operating systems & Components / Operating system package or component postgresql12 Operating systems & Components / Operating system package or component postgresql12-test Operating systems & Components / Operating system package or component postgresql12-llvmjit-debuginfo Operating systems & Components / Operating system package or component postgresql12-llvmjit Operating systems & Components / Operating system package or component postgresql12-docs Operating systems & Components / Operating system package or component postgresql12-server-devel-debuginfo Operating systems & Components / Operating system package or component postgresql12-server-devel Operating systems & Components / Operating system package or component postgresql12-server-debuginfo Operating systems & Components / Operating system package or component postgresql12-server Operating systems & Components / Operating system package or component postgresql12-pltcl-debuginfo Operating systems & Components / Operating system package or component postgresql12-pltcl Operating systems & Components / Operating system package or component postgresql12-plpython-debuginfo Operating systems & Components / Operating system package or component postgresql12-plpython Operating systems & Components / Operating system package or component postgresql12-plperl-debuginfo Operating systems & Components / Operating system package or component postgresql12-plperl Operating systems & Components / Operating system package or component postgresql12-devel-debuginfo Operating systems & Components / Operating system package or component postgresql12-devel Operating systems & Components / Operating system package or component postgresql12-debugsource Operating systems & Components / Operating system package or component postgresql12-debuginfo Operating systems & Components / Operating system package or component postgresql12-contrib-debuginfo Operating systems & Components / Operating system package or component postgresql12-contrib Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU58113
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-23214
CWE-ID:
CWE-311 - Missing Encryption of Sensitive Data
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to the way PostgreSQL handles encrypted connections. When the server is configured to use trust
authentication with a clientcert
requirement or to use cert
authentication, a man-in-the-middle attacker can inject arbitrary SQL
queries when a connection is first established, despite the use of SSL
certificate verification and encryption.
Update the affected package postgresql12 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Legacy Software: 15-SP3
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Server Applications: 15-SP2
SUSE Linux Enterprise Module for Basesystem: 15-SP2
postgresql12: before 12.9-8.26.1
postgresql12-test: before 12.9-8.26.1
postgresql12-llvmjit-debuginfo: before 12.9-8.26.1
postgresql12-llvmjit: before 12.9-8.26.1
postgresql12-docs: before 12.9-8.26.1
postgresql12-server-devel-debuginfo: before 12.9-8.26.1
postgresql12-server-devel: before 12.9-8.26.1
postgresql12-server-debuginfo: before 12.9-8.26.1
postgresql12-server: before 12.9-8.26.1
postgresql12-pltcl-debuginfo: before 12.9-8.26.1
postgresql12-pltcl: before 12.9-8.26.1
postgresql12-plpython-debuginfo: before 12.9-8.26.1
postgresql12-plpython: before 12.9-8.26.1
postgresql12-plperl-debuginfo: before 12.9-8.26.1
postgresql12-plperl: before 12.9-8.26.1
postgresql12-devel-debuginfo: before 12.9-8.26.1
postgresql12-devel: before 12.9-8.26.1
postgresql12-debugsource: before 12.9-8.26.1
postgresql12-debuginfo: before 12.9-8.26.1
postgresql12-contrib-debuginfo: before 12.9-8.26.1
postgresql12-contrib: before 12.9-8.26.1
CPE2.3https://www.suse.com/support/update/announcement/2021/suse-su-20213758-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU58114
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-23222
CWE-ID:
CWE-311 - Missing Encryption of Sensitive Data
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to the way the libpq process in PostgreSQL handles encrypted connections. A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption. The attacker can exfiltrate the client's password or other confidential data that might be transmitted early in a session.
MitigationUpdate the affected package postgresql12 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Legacy Software: 15-SP3
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Server Applications: 15-SP2
SUSE Linux Enterprise Module for Basesystem: 15-SP2
postgresql12: before 12.9-8.26.1
postgresql12-test: before 12.9-8.26.1
postgresql12-llvmjit-debuginfo: before 12.9-8.26.1
postgresql12-llvmjit: before 12.9-8.26.1
postgresql12-docs: before 12.9-8.26.1
postgresql12-server-devel-debuginfo: before 12.9-8.26.1
postgresql12-server-devel: before 12.9-8.26.1
postgresql12-server-debuginfo: before 12.9-8.26.1
postgresql12-server: before 12.9-8.26.1
postgresql12-pltcl-debuginfo: before 12.9-8.26.1
postgresql12-pltcl: before 12.9-8.26.1
postgresql12-plpython-debuginfo: before 12.9-8.26.1
postgresql12-plpython: before 12.9-8.26.1
postgresql12-plperl-debuginfo: before 12.9-8.26.1
postgresql12-plperl: before 12.9-8.26.1
postgresql12-devel-debuginfo: before 12.9-8.26.1
postgresql12-devel: before 12.9-8.26.1
postgresql12-debugsource: before 12.9-8.26.1
postgresql12-debuginfo: before 12.9-8.26.1
postgresql12-contrib-debuginfo: before 12.9-8.26.1
postgresql12-contrib: before 12.9-8.26.1
CPE2.3https://www.suse.com/support/update/announcement/2021/suse-su-20213758-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.