Microsoft Outlook Express 5.5/6 News Reader memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Microsoft Outlook Express 5.5/6 (Mail Client Software). It has been classified as critical. Affected is an unknown code of the component News Reader. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 11/16/2004. The weakness was disclosed 06/14/2005 with iDEFENSE as MS05-030 (Website). The advisory is shared for download at This vulnerability is traded as CVE-2005-1213 since 04/22/2005. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

After 2 weeks, there has been an exploit disclosed. It is declared as highly functional. The exploit is shared for download at The vulnerability was handled as a non-public zero-day exploit for at least 210 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 18489 (MS05-030: Vulnerability in Outlook Express Could Allow Remote Code Execution (897715)), 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 local.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 9431. In this case the pattern 215 list|0D 0A|group meta is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3548.

The vulnerability is also documented in the databases at SecurityFocus (BID 13951), X-Force (20830), Secunia (SA15695), SecurityTracker (ID 1014200) and Vulnerability Center (SBV-8329).





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
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Nessus ID: 18489
Nessus Name: MS05-030: Vulnerability in Outlook Express Could Allow Remote Code Execution (897715)
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Saint ID: exploit_info/outlook_express_nntp
Saint Name: Outlook Express NNTP LIST buffer overflow

MetaSploit ID: ms05_030_nntp.rb
MetaSploit Name: MS05-030 Microsoft Outlook Express NNTP Response Parsing Buffer Overflow
MetaSploit File: 🔍

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Threat Intelligenceinfoedit

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Recommended: Patch
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Snort ID: 9431
Snort Message: EXPLOIT Microsoft NNTP response overflow attempt
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11/16/2004 🔍
04/22/2005 +157 days 🔍
06/14/2005 +53 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/14/2005 +0 days 🔍
06/15/2005 +0 days 🔍
06/17/2005 +2 days 🔍
06/26/2005 +9 days 🔍
08/11/2017 +4429 days 🔍
07/03/2019 +691 days 🔍



Advisory: MS05-030
Organization: iDEFENSE
Status: Confirmed

CVE: CVE-2005-1213 (🔍)

SecurityFocus: 13951 - Microsoft Outlook Express NNTP Response Parsing Buffer Overflow Vulnerability
Secunia: 15695 - Microsoft Outlook Express News Reading Buffer Overflow, Moderately Critical
X-Force: 20830
SecurityTracker: 1014200
Vulnerability Center: 8329 - [MS05-030] Code Execution in Outlook Express via NNTP Response Parsing Function, Medium
OSVDB: 17306 - Microsoft Outlook Express NNTP LIST Command Remote Overflow

scip Labs:


Created: 06/17/2005 07:11 PM
Updated: 07/03/2019 12:54 PM
Changes: (7) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai countermeasure_date
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