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Documentation forServ-U MFT & Serv-U FTP Server
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* User properties
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* Common topics
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* Install Java for Legacy Serv-U Web Client Pro
* System variables
SERV-U FILE SERVER 15.4.2 RELEASE NOTES
Release date: April 17, 2024
Here's what's new in Serv-U File Server 15.4.2.
* New features and improvements in Serv-U
* Fixes
* CVEs
* SolarWinds CVEs
* Third-party CVEs
* Installation or upgrade
* End of life
* Deprecation notice
* Legal notices
Learn more
* See the Serv-U 15.4.2 system requirements.
* For information about working with Serv-U, see the Serv-U 15.4.2
Administrator Guide.
NEW FEATURES AND IMPROVEMENTS IN SERV-U
* Serv-U now supports Windows Server 2022.
* Database groups can now be synchronized for multi-instance deployments.
* Improvements have been made to the password recovery process for Serv-U.
* Serv-U 15.4.2 contains security improvements such as upgrades to Nova 15,
OpenSSL 3.0.13, and zlib 1.3.1 and new encryption of private keys.
* New Web Client and File share applications now leverage Angular 16 and
stronger Content Security Policy definition.
* Serv-U can now be installed in STIG environments through a new installation
process. See Requesting a Serv-U installation in a STIG environment for
details.
Return to top
FIXES
Case number Description 01177327
01401182
Calculation for available disk space for FTP commands is now correct. 00911523
Serv-U no longer hangs if Execute Command on Linux fails. 00917796 On Linux,
Serv-U can now import users exported from Serv-U on Windows. 00863440
01422168
Serv-U can now import/export Serv-U users with CMD took Serv-U-Setup.exe.
01131577 Users can now log in with a local admin password whether using the
default local port or a custom port in the Serv-U management console. 00911523
Serv-U no longer hangs on Linux when triggering Execute Command with invalid
reference on executed command. N/A Serv-U now correctly displays certification
properties in the certificate validation window on Linux. N/A The File share
Expiration section in the new web client now reflects configured settings in
Management console Limits and Settings. N/A Added scroll component to
multi-factor authentication setup page. 01446673 The FQDN IP access rule in User
Definitions no longer causes SSH login failure. 01498928
01538621 Non-English characters now display properly in Serv-U's File share
ZIP function. 01489301 A directory access inconsistency no longer blocks the
creating/renaming/modifying directory. N/A A memory leak inside TLS connection
setup has been resolved. 01469843 Serv-U now logs all failed credential login
attempts and triggers one Login Failed Event for these sessions even when
dropped by the client. 01458825
An FTP file upload/rename inconsistency no longer blocks the next download
operation. N/A Serv-U no longer crashes when user opens Thumbnail in the Web
Client on Centos 7. N/A The Serv-U management console login screen no longer
accepts a blank password for the local administrator. N/A When no password is
configured, the local administrator is no longer redirected to the login page.
N/A Group admins can escape their home directory. 01563287 System admins created
on the Global level can now send file shares invitations and request e-mails.
CVES
SolarWinds would like to thank our Security Researchers below for reporting on
the issue in a responsible manner and working with our security, product, and
engineering teams to fix the vulnerability.
SOLARWINDS CVES
CVE-ID Vulnerability Title Description Severity Credit CVE-2024-28073 SolarWinds
Serv-U Directory Traversal Remote Code Execution Vulnerability SolarWinds Serv-U
was found to be susceptible to a Directory Traversal Remote Code Vulnerability.
This vulnerability requires a highly privileged account to be exploited. 8.4
High Alexander Skovsende at the Institut for Cyber Risk.
THIRD-PARTY CVES
CVE-ID Vulnerability title Description Severity Credit CVE-2023-5678 Denial of
Service Availability
Issue summary: Generating excessively long X9.42 DH keys or checking excessively
long X9.42 DH keys or parameters may be very slow.
Impact summary: Applications that use the functions DH_generate_key() to
generate an X9.42 DH key may experience long delays. Likewise, applications that
use DH_check_pub_key(), DH_check_pub_key_ex() or EVP_PKEY_public_check() to
check an X9.42 DH key or X9.42 DH parameters may experience long delays. Where
the key or parameters that are being checked have been obtained from an
untrusted source this may lead to a Denial of Service. While DH_check() performs
all the necessary checks (as of CVE-2023-3817), DH_check_pub_key() doesn't make
any of these checks, and is therefore vulnerable for excessively large P and Q
parameters. Likewise, while DH_generate_key() performs a check for an
excessively large P, it doesn't check for an excessively large Q. An application
that calls DH_generate_key() or DH_check_pub_key() and supplies a key or
parameters obtained from an untrusted source could be vulnerable to a Denial of
Service attack. DH_generate_key() and DH_check_pub_key() are also called by a
number of other OpenSSL functions. An application calling any of those other
functions may similarly be affected. The other functions affected by this are
DH_check_pub_key_ex(), EVP_PKEY_public_check(), and EVP_PKEY_generate(). Also
vulnerable are the OpenSSL pkey command line application when using the
"-pubcheck" option, as well as the OpenSSL genpkey command line application. The
OpenSSL SSL/TLS implementation is not affected by this issue. The OpenSSL 3.0
and 3.1 FIPS providers are not affected by this issue.
5.3 Medium N/A CVE-2024-0727 Denial of Service Availability
Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL
to crash leading to a potential Denial of Service attack.
Impact summary: Applications loading files in the PKCS12 format from untrusted
sources might terminate abruptly. A file in PKCS12 format can contain
certificates and keys and may come from an untrusted source. The PKCS12
specification allows certain fields to be NULL, but OpenSSL does not correctly
check for this case. This can lead to a NULL pointer dereference that results in
OpenSSL crashing. If an application processes PKCS12 files from an untrusted
source using the OpenSSL APIs then that application will be vulnerable to this
issue. OpenSSL APIs that are vulnerable to this are: PKCS12_parse(),
PKCS12_unpack_p7data(), PKCS12_unpack_p7encdata(), PKCS12_unpack_authsafes() and
PKCS12_newpass(). We have also fixed a similar issue in SMIME_write_PKCS7().
However since this function is related to writing data we do not consider it
security significant. The FIPS modules in 3.2, 3.1 and 3.0 are not affected by
this issue.
5.5 Medium N/A
Return to top
INSTALLATION OR UPGRADE
For new installations, you can download the installation file from the Serv-U
product page on https://www.solarwinds.com or from the Customer Portal. For more
information, see Install the SolarWinds Serv-U File Server.
For more information about upgrades, see Upgrade Serv-U File Server.
Return to top
END OF LIFE
Version EoL Announcements EoE Effective Dates EoL Effective Dates 15.1.7
December 5, 2023: End-of-Life (EoL) announcement – Customers on Serv-U 15.1.7
should begin transitioning to the latest version of Serv-U. February 5, 2024:
End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service
packs for Serv-U 15.1.7 will no longer be actively supported by SolarWinds.
February 5, 2025: End-of-Life (EoL) – SolarWinds will no longer provide
technical support for Serv-U 15.1.7. 15.2 December 5, 2023: End-of-Life (EoL)
announcement – Customers on Serv-U 15.2 should begin transitioning to the latest
version of Serv-U. February 5, 2024: End-of-Engineering (EoE) – Service
releases, bug fixes, workarounds, and service packs for Serv-U 15.2 will no
longer be actively supported by SolarWinds. February 5, 2025: End-of-Life (EoL)
– SolarWinds will no longer provide technical support for Serv-U 15.2. 15.2.1
December 5, 2023: End-of-Life (EoL) announcement – Customers on Serv-U 15.2.1
should begin transitioning to the latest version of Serv-U. February 5, 2024:
End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service
packs for Serv-U 15.2.1 will no longer be actively supported by SolarWinds.
February 5, 2025: End-of-Life (EoL) – SolarWinds will no longer provide
technical support for Serv-U 15.2.1. 15.2.2 December 5, 2023: End-of-Life (EoL)
announcement – Customers on Serv-U 15.2.2 should begin transitioning to the
latest version of Serv-U. February 5, 2024: End-of-Engineering (EoE) – Service
releases, bug fixes, workarounds, and service packs for Serv-U 15.2.2 will no
longer be actively supported by SolarWinds. February 5, 2025: End-of-Life (EoL)
– SolarWinds will no longer provide technical support for 15.2.2. 15.2.3
December 5, 2023: End-of-Life (EoL) announcement – Customers on Serv-U 15.2.3
should begin transitioning to the latest version of Serv-U. February 5, 2024:
End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service
packs for Serv-U 15.2.3 will no longer be actively supported by SolarWinds.
February 5, 2025: End-of-Life (EoL) – SolarWinds will no longer provide
technical support for Serv-U 15.2.3. 15.2.4 December 5, 2023: End-of-Life (EoL)
announcement – Customers on Serv-U 15.1.7 should begin transitioning to the
latest version of Serv-U. February 5, 2024: End-of-Engineering (EoE) – Service
releases, bug fixes, workarounds, and service packs for Serv-U 15.2.4 will no
longer be actively supported by SolarWinds. February 5, 2025: End-of-Life (EoL)
– SolarWinds will no longer provide technical support for Serv-U 15.2.4. 15.2.5
December 5, 2023: End-of-Life (EoL) announcement – Customers on Serv-U 15.1.7
should begin transitioning to the latest version of Serv-U. February 5, 2024:
End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service
packs for Serv-U 15.2.5 will no longer be actively supported by SolarWinds.
February 5, 2025: End-of-Life (EoL) – SolarWinds will no longer provide
technical support for Serv-U 15.2.5. 15.3 December 5, 2023: End-of-Life (EoL)
announcement – Customers on Serv-U 15.2.4 should begin transitioning to the
latest version of Serv-U. February 5, 2024: End-of-Engineering (EoE) – Service
releases, bug fixes, workarounds, and service packs for Serv-U 15.3 will no
longer be actively supported by SolarWinds. February 5, 2025: End-of-Life (EoL)
– SolarWinds will no longer provide technical support for Serv-U 15.3. 15.3.1
December 5, 2023: End-of-Life (EoL) announcement – Customers on Serv-U 15.1.7
should begin transitioning to the latest version of Serv-U. February 5, 2024:
End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service
packs for Serv-U 15.3.1 will no longer be actively supported by SolarWinds.
February 5, 2025: End-of-Life (EoL) – SolarWinds will no longer provide
technical support for Serv-U 15.3.1. 15.3.2 December 5, 2023: End-of-Life (EoL)
announcement – Customers on Serv-U 15.3.2 should begin transitioning to the
latest version of Serv-U. February 5, 2024: End-of-Engineering (EoE) – Service
releases, bug fixes, workarounds, and service packs for Serv-U 15.3.2 will no
longer be actively supported by SolarWinds. February 5, 2025: End-of-Life (EoL)
– SolarWinds will no longer provide technical support for Serv-U 15.3.2. 15.4.0
April 17, 2024: End-of-Life (EoL) announcement – Customers on Serv-U 15.4.0
should begin transitioning to the latest version of Serv-U. July 17, 2024:
End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service
packs for Serv-U 15.4.0 will no longer be actively supported by SolarWinds. July
17, 2025: End-of-Life (EoL) – SolarWinds will no longer provide technical
support for Serv-U 15.4.0.
See the End of Life Policy for information about SolarWinds product life cycle
phases. To see EoL dates for earlier Serv-U versions, see Serv-U release
history.
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DEPRECATION NOTICE
The following platforms and features are still supported in the current release.
However, they will be unsupported in a future release. Plan on upgrading
deprecated platforms, and avoid using deprecated features.
Type Details Web client modules Java-based Serv-U web client modules FTP Voyager
JV and Web Client Pro will be discontinued in an upcoming release. However,
these modules are still available in version 15.4.2, together with the new
Serv-U web client to support a migration path.
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LEGAL NOTICES
© 2024 SolarWinds Worldwide, LLC. All rights reserved.
This document may not be reproduced by any means nor modified, decompiled,
disassembled, published or distributed, in whole or in part, or translated to
any electronic medium or other means without the prior written consent of
SolarWinds. All right, title, and interest in and to the software, services, and
documentation are and shall remain the exclusive property of SolarWinds, its
affiliates, and/or its respective licensors.
SOLARWINDS DISCLAIMS ALL WARRANTIES, CONDITIONS, OR OTHER TERMS, EXPRESS OR
IMPLIED, STATUTORY OR OTHERWISE, ON THE DOCUMENTATION, INCLUDING WITHOUT
LIMITATION NONINFRINGEMENT, ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY
INFORMATION CONTAINED HEREIN. IN NO EVENT SHALL SOLARWINDS, ITS SUPPLIERS, NOR
ITS LICENSORS BE LIABLE FOR ANY DAMAGES, WHETHER ARISING IN TORT, CONTRACT OR
ANY OTHER LEGAL THEORY, EVEN IF SOLARWINDS HAS BEEN ADVISED OF THE POSSIBILITY
OF SUCH DAMAGES.
The SolarWinds, SolarWinds & Design, Orion, and THWACK trademarks are the
exclusive property of SolarWinds Worldwide, LLC or its affiliates, are
registered with the U.S. Patent and Trademark Office, and may be registered or
pending registration in other countries. All other SolarWinds trademarks,
service marks, and logos may be common law marks or are registered or pending
registration. All other trademarks mentioned herein are used for identification
purposes only and are trademarks of (and may be registered trademarks) of their
respective companies.
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