KM03634936 - Micro Focus Enterprise Developer and Enterprise Server. UNC Path Navigation vulnerability, CVE-2020-9523.

SUPPORT COMMUNICATION - SECURITY BULLETIN

Potential Security Impact: Credentials exposed to external attacker

VULNERABILITY SUMMARY

A potential vulnerability has been identified in Micro Focus Enterprise Server (including the Enterprise Server component of Enterprise Developer). The UNC Path Navigation vulnerability could allow an attacker to transmit hashed credentials for the user account running the Micro Focus Directory Server (MFDS) to an arbitrary site, compromising that account's security.

CVE References:

CVE-2020-9523

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

Micro Focus Enterprise Developer and Enterprise Server, all versions prior to:

·         4.0 Patch Update 16

·         5.0 Patch Update 6

CVSS Version 3.0 and Version 2.0 Base Metrics

RESOLUTION

Micro Focus has made the following mitigation information available to resolve the vulnerability for the impacted versions of Enterprise Server and Enterprise Developer:

·         Configure security for the Enterprise Server Administration (MFDS) web interface and require user authentication. For maximum protection, enable TLS (SSL) for MFDS.

·         Alternatively, install the appropriate Patch Update for your version of Enterprise Server or Enterprise Developer:

o   4.0 Patch Update 16

o   5.0 Patch Update 6

Patch Updates for Enterprise Server and Enterprise Developer can be found on the Micro Focus Supportline website.

Micro Focus would like to thank Michał Skowron (ING Tech Poland) for finding and responsibly disclosing this vulnerability.

Third Party Security Patches: Third party security patches that are to be installed on systems running Micro Focus software products should be applied in accordance with the customer's patch management policy.

Support: For issues about implementing the recommendations of this Security Bulletin, contact normal Micro Focus services support channel. For other issues about the content of this Security Bulletin, send e-mail to Product Security Team.

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System management and security procedures must be reviewed frequently to maintain system integrity. Micro Focus is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions. 

"Micro Focus is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected Micro Focus products the important security information contained in this Bulletin. Micro Focus recommends that all users determine the applicability of this information to their individual situations and take appropriate action. Micro Focus does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, Micro Focus will not be responsible for any damages resulting from user's use or disregard of the information provided in this Security Bulletin. To the extent permitted by law, Micro Focus disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement." 

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