VDB-88553 · CVE-2016-5228 · EDB 40649

Micro Focus RUMBA up to 9.3/9.4 WdMacCtl.ocx PlayMacro MacroName memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Micro Focus RUMBA up to 9.3/9.4 and classified as critical. This vulnerability affects the function PlayMacro of the file WdMacCtl.ocx. The manipulation of the argument MacroName leads to memory corruption. This vulnerability is listed as CVE-2016-5228. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Micro Focus RUMBA up to 9.3/9.4. This issue affects the function PlayMacro of the file WdMacCtl.ocx. The manipulation of the argument MacroName with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the PlayMacro function in ObjectXMacro.ObjectXMacro in WdMacCtl.ocx in Micro Focus Rumba 9.x before 9.3 HF 11997 and 9.4.x before 9.4 HF 12815 allows remote attackers to execute arbitrary code via a long MacroName argument. NOTE: some references mention CVE-2016-5226 but that is not a correct ID for any Rumba vulnerability.

The weakness was presented 07/03/2016 (Website). The advisory is shared at cxsecurity.com. The identification of this vulnerability is CVE-2016-5228 since 05/31/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Applying the patch 9.3 HF 11997/9.4.x before 9.4 HF 12815 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Exploit-DB (40649). See VDB-88519 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Micro Focus

Name

RUMBA

Version

License

commercial

Website

Vendor: https://www.microfocus.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍
Patch: 9.3 HF 11997/9.4.x before 9.4 HF 12815

Timelineinfo

05/31/2016 🔍
07/02/2016 +32 days 🔍
07/03/2016 +1 days 🔍
07/04/2016 +1 days 🔍
02/16/2025 +3149 days 🔍

Sourcesinfo

Vendor: microfocus.com

Advisory: cxsecurity.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5228 (🔍)
GCVE (CVE): GCVE-0-2016-5228
GCVE (VulDB): GCVE-100-88553
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/04/2016 10:07
Updated: 02/16/2025 03:37
Changes: 07/04/2016 10:07 (52), 02/15/2019 15:58 (13), 02/16/2025 03:37 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.