Microsoft Exchange 5.5/2000 SMTP Service 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.
5.4$0-$5k0.00

A vulnerability classified as critical has been found in Microsoft Exchange 5.5/2000 (Groupware Software). This affects an unknown code of the component SMTP Service. 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 bug was discovered 10/15/2003. The weakness was presented 10/15/2003 by João Gouveia with Vodafone as MS03-046 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2003-0714 since 09/02/2003. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by H D Moore and been published 1 weeks after the advisory. The exploit is shared for download at immunitysec.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 11889 (Exchange XEXCH50 Remote Buffer Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems and running in the context r.

Applying the patch MS03-046 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Attack attempts may be identified with Snort ID 2253. In this case the pattern XEXCH50 is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2437.

The vulnerability is also documented in the databases at X-Force (13480), Tenable (11889) and Exploit-DB (113). Further details are available at cert.org. See 82, 332, 334 and 427 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: H D Moore
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 11889
Nessus Name: Exchange XEXCH50 Remote Buffer Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11889
OpenVAS Name: Exchange XEXCH50 Remote Buffer Overflow
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: ms03_046_exchange2000_xexch50.rb
MetaSploit Name: MS03-046 Exchange 2000 XEXCH50 Heap Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: MS03-046

Snort ID: 2253
Snort Message: SMTP XEXCH50 overflow attempt
Snort Class: 🔍
Snort Pattern: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

09/02/2003 🔍
10/15/2003 +43 days 🔍
10/15/2003 +0 days 🔍
10/15/2003 +0 days 🔍
10/15/2003 +0 days 🔍
10/15/2003 +0 days 🔍
10/15/2003 +0 days 🔍
10/16/2003 +0 days 🔍
10/16/2003 +0 days 🔍
10/22/2003 +6 days 🔍
10/22/2003 +0 days 🔍
11/17/2003 +26 days 🔍
03/08/2021 +6321 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS03-046
Researcher: João Gouveia
Organization: Vodafone
Status: Confirmed

CVE: CVE-2003-0714 (🔍)
X-Force: 13480
Vulnerability Center: 2659 - [MS03-046] DoS on Internet Mail Service in Exchange Server 5.5, High
SecuriTeam: securiteam.com
SecurityFocus: 8838 - Microsoft Exchange Server Buffer Overflow Vulnerability
Secunia: 10015 - Microsoft Exchange SMTP Extended Request Buffer Overflow, Highly Critical
OSVDB: 2674 - Microsoft Exchange SMTP Extended Request Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/16/2003 01:07 PM
Updated: 03/08/2021 06:45 PM
Changes: 10/16/2003 01:07 PM (112), 06/26/2019 05:45 PM (3), 03/08/2021 06:45 PM (2)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!