CVE-2019-12181: Serv-U File Server 15.1.7 Release Notes

Release date: April 25, 2019

These release notes describe the new features, improvements, and fixed issues in Serv-U File Server 15.1.7. They also provide information about upgrades and describe workarounds for known issues.

If you are looking for previous release notes for Serv-U File Server, see Previous Version documentation.

NPAPI is deprecated in Google Chrome. This means Web Client Pro will not function in Google Chrome. As a workaround, access Web Client Pro using another browser.

New features and improvements

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Serv-U 15.1.7 is a service release containing three hotfixes, and additional fixes, described here.

Previous releases

Serv-U 15.1.6 included the following new features and updates:

• Support for Explicit SSL when connected to SMTP server
• Support for HTTP Strict Transport Security
• Support for Elliptic-curve Diffie-Hellman (ECDH) key exchange
• Forward secrecy is enabled by default (new installations only)
• TLS 1.0 is disabled by default (new installations only)
• Disabled SSL/TLS ciphers based on 64-bit block size (new installations only)
• Support for Secure LDAP protocol (Windows installation only)
• Various fixes described in the Fixed Issues section.

Serv-U 15.1.5 was a service release containing security fixes, described in the Fixed Issues section.

Serv-U 15.1.4 was a service release containing two hotfixes, described in the Fixed Issues section.

Serv-U 15.1.3 was a service release containing two hotfixes, described in the Fixed Issues section.

For earlier Serv-U 15.x.x releases, please visit the Previous Versions page.

Fixed issues

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Serv-U 15.1.7 fixes the following issues.

Case Number

Description

423241

Fixed issue where writing files to disk could cause bottleneck

1197511

Corrected SSL error handling on Socket level

00063383

Fixed issue with service when sending download link to guest user

00068104

Corrected format for X-Csrf-Token HTTP header (FTP Voyager JV)

00159690

Fixed issue with ODBC database validation

00200302

CSRF issues resolved.

00186124

Can now add a user to a collection when the user exists in another collection

00204425

Serv-U no longer deletes incorrect files from directories with delete rules

00229117

Serv-U no longer response incorrectly when empty user name and password is used to log on

00284847

Issues in web management interface fixed

00061457

Special characters from E-mail notification template not sent correctly

00039051, 00081081, 00195143, 00263829, 00260387, 00218061, 1362493, 1338156

Updated jquery libraries

00054823, 1320710, 1335744

Files list returned corrected from LIST Command

00085995, 00201705

CVE-1999-0017 vulnerability fixed.

00187355, 00065590, 00053277, 00105077, 00123871

Multiple issues in SFTP protocol resolved

00240051, 00267281, 00260953, 00280283, 00285641

WinSCP upload issues resolved

n/a

Resolved a privilege escalation issue, logged as CVE-2018-19999 – with thanks to Chris Moberly at The Missing Link.

n/a

Resolved a privilege escalation issue, logged as CVE-2019-12181 – with thanks to Guy Levin (@va_start).

Serv-U 15.1.6 fixes the following issues.

Case Number

Description

961565, 1183341, 887731, 1123968, 1125053, 901145, 1091444, 1131439, 1080928, 796814, 799615, 787936, 1036534

Fixed an issue with limited top level domain.

1050275

Fixed an issue with long timeout where LDAP server was unavailable

166489, 1126605, 914000

Fixed an issue with SSH Ciphers description.

1186645, 979487

Fixed an impersonation issue during downloads.

1039205

Fixed an issue with password stale event.

1086638, 1209329

Fixed an issue with special characters in File Sharing notification template.

1129144, 1115351

Fixed a possible crash of Gateway.

1163543

Fixed an issue with user creation wizard.

1123779

Fixed a memory leak issue related to SFTP sessions.

1231876, 1233371, 1209874

Fixed broken links to support site.

1124857, 1181653, 1215831, 1223871, 1230986, 1241567, 1326419

Fixed an issue with bare line feed character.

Serv-U 15.1.5 fixes the following issues.

Case Number

Description

1110916

Fixed potential vulnerability with unauthenticated privilege escalation Reported by – Trustwave SpiderLabs Contact - Leopold von Niebelschuetz-Godlewski

904433, 804380

Fixed an issue with possibility of unauthorized access to the files in installation folder on web server. Reported by – www.netspi.com Contact - Cody Wass (Cody. [email protected])

1065565, 1061848, 1056263, 1054225, 1090081, 1045088

Fixed an issue where domain users were not able to login when ldap suffix was used.

741595

Fixed a memory leak issue that occurred during LDAP authentication.

951099, 1065736, 1022993

Fixed a memory leak issue that occurred during SFTP session.

882524, 909979, 871563, 867742, 867834, 981751, 877933

Fixed an issue with “Automatic idle connection timeout” limit.

Serv-U 15.1.4 fixes the following issues.

Case Number

Description

991668

ECDHE-RSA-AES256* ciphers shown as enabled or disabled correctly

954294

Long (encrypted) passwords issue fixed.

984664, 1003106, 993854

OpenSSL vulnerabilities - updated to 1.0.2h

932381

SHA-1 Cert deprecation (Previous cert was due to expire in January 2017)

984485, 887910, 741595

LDAP suffix issue fixed

844572, 894400, 953313, 910253, 881308, 914055, 990080

Web client Favorites fixed.

1005791, 1005383, 990956, 984664, 982577, 966856, 948270, 963296, 941118, 934566, 927375, 917616, 900288, 883047, 885033, 884883, 876306, 876820, 874853, 872968, 857502, 862922, 853433

Serv-U no longer freezes in FIPS mode during SFTP connections.

Serv-U 15.1.3 fixes the following issues.

Case Number

Description

872782, 864631

Case sensitivity issues occurred when configuring Directory Access rules.

n/a

An issue with LDAP public key authentication.

n/a

Memory leak occurs during LDAP authentication.

853136

An issue with the expired password change functionality.

868638

An issue with multi-line FTP responses for the FEAT command.

n/a

An issue with the possibility of SQL injection in the invitation link used by secure file sharing.

625348

An issue with the possibility of persistent cross-site scripting in file sharing.

n/a

An issue with the possibility of the injection of additional email headers using a crafter subject in an upload or download request.

Legal notices

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