Microsoft Exchange Server 2000 numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability classified as critical has been found in Microsoft Exchange Server 2000 (Groupware Software). This affects an unknown code. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on availability. The summary by CVE is:

Integer overflow in the IMAP (IMAP4) support in Microsoft Exchange Server 2000 SP3 allows remote attackers to cause a denial of service (service hang) via crafted literals in an IMAP command, aka the "IMAP Literal Processing Vulnerability."

The bug was discovered 01/10/2007. The weakness was released 05/08/2007 by Joxean Koret (iDefense) with iDEFENSE (Website). The advisory is shared at us-cert.gov. This vulnerability is uniquely identified as CVE-2007-0221 since 01/12/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 118 days. During that time the estimated underground price was around $5k-$25k. 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 1993. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3768.

The vulnerability is also documented in the databases at X-Force (33890) and Tenable (25165). Entries connected to this vulnerability are available at 36628, 36627, 36626 and 36625.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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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NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

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: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Snort ID: 1993
Snort Message: PROTOCOL-IMAP login literal buffer overflow attempt
Snort Class: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

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

Timelineinfo

01/10/2007 🔍
01/12/2007 +2 days 🔍
05/08/2007 +116 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 🔍
05/08/2007 +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: Joxean Koret (iDefense)
Organization: iDEFENSE
Status: Confirmed

CVE: CVE-2007-0221 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 33890
SecurityTracker: 1018015
Vulnerability Center: 15045 - [MS07-026] Microsoft Exchange Server 2000 SP3 Remote DoS via Crafted IMAP Command, Medium
SecurityFocus: 23810 - Microsoft Exchange IMAP Command Processing Remote Denial of Service Vulnerability
Secunia: 25183
OSVDB: 34392 - Microsoft Exchange Server IMAP Literal Processing DoS
Vupen: ADV-2007-1711

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/18/2019 20:17
Changes: 03/13/2015 14:56 (95), 07/18/2019 20:17 (2)
Complete: 🔍

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