Microsoft Outlook up to 2007 mailto URI code injection

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

Summaryinfo

A vulnerability was found in Microsoft Outlook up to 2007. It has been rated as very critical. The affected element is an unknown function of the component mailto URI Handler. The manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2008-0110. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Microsoft Outlook up to 2007 (Groupware Software). This issue affects an unknown function of the component mailto URI Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in Microsoft Outlook in Office 2000 SP3, XP SP3, 2003 SP2 and Sp3, and Office System allows user-assisted remote attackers to execute arbitrary code via a crafted mailto URI.

The bug was discovered 03/11/2008. The weakness was disclosed 03/11/2008 by Greg MacManus with iDefense as MS08-015 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-2008-0110 since 01/07/2008. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/01/2025). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 31414 (MS08-015: Vulnerability in Microsoft Outlook Could Allow Remote Code Execution (949031)), 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 110076 (Microsoft Outlook Remote Code Execution Vulnerability (MS08-015)).

Upgrading eliminates this vulnerability. Applying the patch MS08-015 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5982.

The vulnerability is also documented in the databases at X-Force (40884), Tenable (31414), SecurityFocus (BID 28147†), OSVDB (42710†) and Secunia (SA29320†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 31414
Nessus Name: MS08-015: Vulnerability in Microsoft Outlook Could Allow Remote Code Execution (949031)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS08-015
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/07/2008 🔍
03/11/2008 +64 days 🔍
03/11/2008 +0 days 🔍
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03/12/2008 +0 days 🔍
03/18/2008 +6 days 🔍
06/01/2025 +6284 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS08-015
Researcher: Greg MacManus
Organization: iDefense
Status: Confirmed

CVE: CVE-2008-0110 (🔍)
GCVE (CVE): GCVE-0-2008-0110
GCVE (VulDB): GCVE-100-3647

OVAL: 🔍
IAVM: 🔍

CERT: 🔍
X-Force: 40884
SecurityFocus: 28147 - Microsoft Outlook Mailto URI Remote Code Execution Vulnerability
Secunia: 29320 - Microsoft Outlook "mailto:" URI Handling Vulnerability, Highly Critical
OSVDB: 42710 - Microsoft Outlook mailto: URI Handling Arbitrary Command Execution
SecurityTracker: 1019579
Vulnerability Center: 17849 - [MS08-015] Microsoft Outlook Mailto URI Vulnerability Allows Remote Arbitrary Code Execution, Medium
Vupen: ADV-2008-0847

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

Entryinfo

Created: 03/18/2008 10:56
Updated: 06/01/2025 18:45
Changes: 03/18/2008 10:56 (103), 08/07/2019 07:28 (1), 01/05/2025 18:52 (18), 06/01/2025 18:45 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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