Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU84727
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-51764
CWE-ID:
CWE-77 - Command injection
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to spoof email messages.
The vulnerability exists due to an error when handling line endings other than <CR><LF>. A remote attacker can spoof contents of email message and bypass SPF protection mechanism.
Update the affected package postfix to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3 - SP4
SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4
Server Applications Module: 15-SP4
Legacy Module: 15-SP4
SUSE Linux Enterprise Server for SAP Applications 15: SP3 - SP4
SUSE Linux Enterprise Server 15: SP3 - SP4
SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3
SUSE Linux Enterprise Real Time 15: SP4
SUSE Linux Enterprise High Performance Computing 15: SP3 - SP4
SUSE Linux Enterprise Desktop 15: SP4
Basesystem Module: 15-SP4
SUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
openSUSE Leap: 15.3 - 15.4
postfix-postgresql-debuginfo: before 3.5.9-150300.5.15.1
postfix-postgresql: before 3.5.9-150300.5.15.1
postfix-doc: before 3.5.9-150300.5.15.1
postfix-bdb-lmdb: before 3.5.9-150300.5.15.1
postfix-bdb-debuginfo: before 3.5.9-150300.5.15.1
postfix-debuginfo: before 3.5.9-150300.5.15.1
postfix-mysql: before 3.5.9-150300.5.15.1
postfix: before 3.5.9-150300.5.15.1
postfix-bdb: before 3.5.9-150300.5.15.1
postfix-devel: before 3.5.9-150300.5.15.1
postfix-bdb-lmdb-debuginfo: before 3.5.9-150300.5.15.1
postfix-ldap: before 3.5.9-150300.5.15.1
postfix-bdb-debugsource: before 3.5.9-150300.5.15.1
postfix-mysql-debuginfo: before 3.5.9-150300.5.15.1
postfix-debugsource: before 3.5.9-150300.5.15.1
postfix-ldap-debuginfo: before 3.5.9-150300.5.15.1
CPE2.3http://www.suse.com/support/update/announcement/2024/suse-su-20240012-1/
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. However, proof of concept for this vulnerability is available.