Microsoft Exchange Server 2013 CU8/2013 CU9 Outlook Web Access information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Microsoft Exchange Server 2013 CU8/2013 CU9 (Groupware Software) and classified as problematic. Affected by this issue is an unknown part of the component Outlook Web Access. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Outlook Web Access (OWA) in Microsoft Exchange Server 2013 Cumulative Update 8 and 9 and SP1 allows remote attackers to obtain sensitive stacktrace information via a crafted request, aka "Exchange Information Disclosure Vulnerability."

The weakness was disclosed 09/08/2015 by John Page (hyp3rlinx) as MS15-103 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2015-2505 since 03/19/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 85883 (MS15-103: Vulnerabilities in Microsoft Exchange Server Could Allow Information Disclosure (3089250)), 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 53001 (Microsoft Exchange Server Information Disclosure Vulnerabilities (MS15-103)).

Applying the patch MS15-103 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 (85883), SecurityFocus (BID 76595†), SecurityTracker (ID 1033495†) and Vulnerability Center (SBV-52531†). The entries VDB-77644 and VDB-77645 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 85883
Nessus Name: MS15-103: Vulnerabilities in Microsoft Exchange Server Could Allow Information Disclosure (3089250)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800166
OpenVAS Name: Microsoft Exchange Server information Disclosure Vulnerability (3089250)
OpenVAS File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS15-103

Timelineinfo

03/19/2015 🔍
09/08/2015 +173 days 🔍
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09/09/2015 +1 days 🔍
09/09/2015 +0 days 🔍
06/14/2022 +2470 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-103
Researcher: John Page (hyp3rlinx)
Status: Confirmed

CVE: CVE-2015-2505 (🔍)
GCVE (CVE): GCVE-0-2015-2505
GCVE (VulDB): GCVE-100-77612
SecurityFocus: 76595 - Microsoft Exchange Server CVE-2015-2505 Information Disclosure Vulnerability
SecurityTracker: 1033495
Vulnerability Center: 52531 - [MS15-103] Microsoft Exchange Server 2013 Remote Information Disclosure Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 09/09/2015 10:03 AM
Updated: 06/14/2022 02:06 PM
Changes: 09/09/2015 10:03 AM (69), 12/09/2017 12:05 PM (11), 06/14/2022 02:06 PM (3)
Complete: 🔍
Cache ID: 18:3DE:40

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