Microsoft Exchange Server 2013 SP1 CU8 cross-site request forgery

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft Exchange Server 2013 SP1 CU8. This affects an unknown part. The manipulation results in cross-site request forgery. This vulnerability is reported as CVE-2015-1771. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Exchange Server 2013 SP1 CU8 (Groupware Software). Affected is an unknown part. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. CVE summarizes:

Cross-site request forgery (CSRF) vulnerability in the web applications in Microsoft Exchange Server 2013 SP1 and Cumulative Update 8 allows remote attackers to hijack the authentication of arbitrary users, aka "Exchange Cross-Site Request Forgery Vulnerability."

The weakness was disclosed 06/10/2015 with Microsoft as MS15-064 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2015-1771 since 02/17/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84085 (MS15-064: Vulnerabilities in Microsoft Exchange Server Could Allow Elevation of Privilege (3062157)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 53000 (Microsoft Exchange Server Multiple Vulnerabilities (MS15-064)).

Applying the patch MS15-064 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (84085), SecurityFocus (BID 75011†), SecurityTracker (ID 1032528†) and Vulnerability Center (SBV-50490†). The entries VDB-75787 and VDB-75793 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84085
Nessus Name: MS15-064: Vulnerabilities in Microsoft Exchange Server Could Allow Elevation of Privilege (3062157)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800166
OpenVAS Name: Microsoft Exchange Server Privilege Escalation Vulnerability (3062157)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: MS15-064

Timelineinfo

02/17/2015 🔍
06/09/2015 +112 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/10/2015 +1 days 🔍
06/10/2015 +0 days 🔍
06/10/2015 +0 days 🔍
06/10/2015 +0 days 🔍
05/20/2022 +2536 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-064
Organization: Microsoft
Status: Confirmed

CVE: CVE-2015-1771 (🔍)
GCVE (CVE): GCVE-0-2015-1771
GCVE (VulDB): GCVE-100-75792

OVAL: 🔍

SecurityFocus: 75011 - Microsoft Exchange Server CVE-2015-1771 Cross Site Request Forgery Vulnerability
SecurityTracker: 1032528 - Microsoft Exchange Server Input Validation Flaw Permits Cross-Site Scripting and Cross-Site Request Forgery Attacks
Vulnerability Center: 50490 - [MS15-064] Microsoft Exchange Server 2013 SP1 and Cumulative Update 8 CSRF Vulnerability - CVE-2015-1771, Medium

See also: 🔍

Entryinfo

Created: 06/10/2015 10:17
Updated: 05/20/2022 15:05
Changes: 06/10/2015 10:17 (71), 06/30/2017 05:53 (9), 05/20/2022 15:05 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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