SUSE update for postfix

1) Incorrect default permissions

EUVDB-ID: #VU79949

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-32182

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect default permissions for files in the /tmp folder set by the config_postfix script. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package postfix to the latest version.

Vulnerable software versions

Server Applications Module: 15-SP5

Legacy Module: 15-SP5

Basesystem Module: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.5

postfix-doc: before 3.7.3-150500.3.5.1

postfix-mysql-debuginfo: before 3.7.3-150500.3.5.1

postfix-debugsource: before 3.7.3-150500.3.5.1

postfix-bdb: before 3.7.3-150500.3.5.1

postfix-postgresql: before 3.7.3-150500.3.5.1

postfix-mysql: before 3.7.3-150500.3.5.1

postfix: before 3.7.3-150500.3.5.1

postfix-debuginfo: before 3.7.3-150500.3.5.1

postfix-bdb-debuginfo: before 3.7.3-150500.3.5.1

postfix-postgresql-debuginfo: before 3.7.3-150500.3.5.1

postfix-devel: before 3.7.3-150500.3.5.1

postfix-bdb-debugsource: before 3.7.3-150500.3.5.1

postfix-bdb-lmdb-debuginfo: before 3.7.3-150500.3.5.1

postfix-bdb-lmdb: before 3.7.3-150500.3.5.1

postfix-ldap-debuginfo: before 3.7.3-150500.3.5.1

postfix-ldap: before 3.7.3-150500.3.5.1

CPE2.3

• cpe:2.3:o:suse:server_applications_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:legacy_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:postfix-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-mysql-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-bdb:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-postgresql:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-mysql:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-bdb-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-postgresql-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-bdb-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-bdb-lmdb-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-bdb-lmdb:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-ldap-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:postfix-ldap:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233394-1/

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.