Microsoft Exchange Server 2000 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Exchange Server 2000. Affected is an unknown function. The manipulation results in null pointer dereference. This vulnerability was named CVE-2007-0039. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Exchange Server 2000 (Groupware Software). It has been classified as critical. Affected is an unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

The Exchange Collaboration Data Objects (EXCDO) functionality in Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, and 2007 allows remote attackers to cause a denial of service (crash) via an Internet Calendar (iCal) file containing multiple X-MICROSOFT-CDO-MODPROPS (MODPROPS) properties in which the second MODPROPS is longer than the first, which triggers a NULL pointer dereference and an unhandled exception.

The bug was discovered 05/08/2007. The weakness was presented 05/08/2007 by Alexander Sotirov with Determina Security Research (Website). The advisory is available at us-cert.gov. This vulnerability is traded as CVE-2007-0039 since 01/03/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 25165 (MS07-026: Vulnerability in Microsoft Exchange Could Allow Remote Code Execution (931832)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90395 (Microsoft Exchange Multiple Remote Code Execution Vulnerabilities (MS07-026)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 11222. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5334.

The vulnerability is also documented in the databases at X-Force (33888), Tenable (25165), SecurityFocus (BID 23808†), OSVDB (34390†) and Secunia (SA25183†). See VDB-36628, VDB-36627, VDB-36626 and VDB-36625 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25165
Nessus Name: MS07-026: Vulnerability in Microsoft Exchange Could Allow Remote Code Execution (931832)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Snort ID: 11222
TippingPoint: 🔍

McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/03/2007 🔍
05/08/2007 +125 days 🔍
05/08/2007 +0 days 🔍
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05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/09/2007 +0 days 🔍
03/13/2015 +2865 days 🔍
07/18/2019 +1588 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Researcher: Alexander Sotirov
Organization: Determina Security Research
Status: Confirmed

CVE: CVE-2007-0039 (🔍)
GCVE (CVE): GCVE-0-2007-0039
GCVE (VulDB): GCVE-100-36618

OVAL: 🔍
IAVM: 🔍

X-Force: 33888
SecurityFocus: 23808 - Microsoft Exchange iCal Request Remote Denial of Service Vulnerability
Secunia: 25183
OSVDB: 34390 - Microsoft Exchange Server MODPROPS Malformed iCal DoS
SecurityTracker: 1018015
Vulnerability Center: 15043 - [MS07-026] Microsoft Exchange Server EXCDO Remote DoS via Malformed iCal File, High
Vupen: ADV-2007-1711

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/18/2019 20:11
Changes: 03/13/2015 14:56 (90), 07/18/2019 20:11 (2)
Complete: 🔍
Cache ID: 216:EB1:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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