Microsoft Wordperfect Converter Corel Wordperfect File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability was found in Microsoft Wordperfect Converter (Word Processing Software) (the affected version unknown). It has been rated as critical. Affected by this issue is an unknown part of the component Corel Wordperfect File Handler. The manipulation 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. CVE summarizes:

Buffer overflow in Microsoft Wordperfect Converter allows remote attackers to execute arbitrary code via modified data offset and data size parameters in a Corel WordPerfect file.

The weakness was published 09/03/2003 by Yuji Ukai as MS03-036 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is handled as CVE-2003-0666 since 08/07/2003. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by valgasu and been published immediately after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

Applying the patch MS03-036 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2407.

The vulnerability is also documented in the databases at X-Force (13091) and Exploit-DB (92).

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
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Patch: MS03-036
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

08/07/2003 🔍
09/03/2003 +27 days 🔍
09/03/2003 +0 days 🔍
09/03/2003 +0 days 🔍
09/03/2003 +0 days 🔍
09/06/2003 +3 days 🔍
10/16/2003 +40 days 🔍
10/20/2003 +4 days 🔍
04/09/2004 +171 days 🔍
08/15/2014 +3780 days 🔍
08/29/2017 +1110 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS03-036
Researcher: Yuji Ukai
Status: Confirmed

CVE: CVE-2003-0666 (🔍)
X-Force: 13091
Vulnerability Center: 2533 - [MS03-036] Buffer Overflow in WordPerfect to Word Converter, Medium
SecurityFocus: 8538 - Microsoft WordPerfect Converter Buffer Overrun Vulnerability
OSVDB: 10006 - Microsoft WordPerfect Converter Corel File Multiple Parameter Remote Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/15/2014 14:19
Updated: 08/29/2017 08:54
Changes: 08/15/2014 14:19 (62), 08/29/2017 08:54 (15)
Complete: 🔍

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