SAP GUI 6.40 ActiveX Control KWEDIT.DLL memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in SAP GUI 6.40. The impacted element is an unknown function in the library KWEDIT.DLL of the component ActiveX Control. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2008-4830. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in SAP GUI 6.40. It has been classified as very critical. This affects an unknown functionality in the library KWEDIT.DLL of the component ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Insecure method vulnerability in the KWEdit ActiveX control in SAP GUI 6.40 Patch 29 (KWEDIT.DLL 6400.1.1.41) and 7.10 Patch 5 (KWEDIT.DLL 7100.1.1.43) allows remote attackers to (1) overwrite arbitrary files via the SaveDocumentAs method or (2) read or execute arbitrary files via the OpenDocument method.

The bug was discovered 04/15/2009. The weakness was shared 04/16/2009 by Carsten Eiram (Website). The advisory is shared at vupen.com. This vulnerability is uniquely identified as CVE-2008-4830 since 10/31/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/25/2025).

A public exploit has been developed in Ruby. The exploit is shared for download at securityfocus.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 36163 (SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116705 (SAP GUI KWEdit ActiveX Control Insecure Method Remote Code Execution Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (49891), Tenable (36163), SecurityFocus (BID 34524†), OSVDB (53680†) and Secunia (SA32869†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 36163
Nessus Name: SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: enjoysapgui_comp_download.rb
MetaSploit Name: EnjoySAP SAP GUI ActiveX Control Arbitrary File Download
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

10/31/2008 🔍
04/15/2009 +166 days 🔍
04/15/2009 +0 days 🔍
04/15/2009 +0 days 🔍
04/15/2009 +0 days 🔍
04/15/2009 +0 days 🔍
04/15/2009 +0 days 🔍
04/15/2009 +0 days 🔍
04/16/2009 +0 days 🔍
04/16/2009 +0 days 🔍
04/20/2009 +4 days 🔍
03/17/2015 +2157 days 🔍
05/25/2025 +3722 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: vupen.com⛔
Researcher: Carsten Eiram
Status: Confirmed

CVE: CVE-2008-4830 (🔍)
GCVE (CVE): GCVE-0-2008-4830
GCVE (VulDB): GCVE-100-47769
X-Force: 49891
SecurityFocus: 34524 - SAP AG SAPgui KWEdit ActiveX Control Insecure Method Remote Code Execution Vulnerability
Secunia: 32869
OSVDB: 53680 - SAP GUI (sapgui) KWEdit ActiveX (KWEDIT.DLL) SaveDocumentAs() Method Arbitrary File Write
SecurityTracker: 1022062
Vulnerability Center: 21632 - SAP GUI 6.40 Patch 29 and 7.10 Patch 5 KWEdit ActiveX Control Remote Code Execution Vulnerability, Medium
Vupen: ADV-2009-1043

scip Labs: https://www.scip.ch/en/?labs.20150716

Entryinfo

Created: 03/17/2015 23:38
Updated: 05/25/2025 06:26
Changes: 03/17/2015 23:38 (87), 09/01/2019 20:18 (2), 02/15/2022 10:40 (2), 05/25/2025 06:26 (16)
Complete: 🔍
Cache ID: 216:1D0:103

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

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