Microsoft Lync 2013 Script Reflected cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Microsoft Lync 2013. Affected is an unknown function of the component Script Handler. The manipulation leads to cross site scripting (Reflected). This vulnerability is uniquely identified as CVE-2014-4070. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Lync 2013 (Unified Communication Software). It has been rated as problematic. This issue affects some unknown functionality of the component Script Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is confidentiality, and integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the Web Components Server in Microsoft Lync Server 2013 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Lync XSS Information Disclosure Vulnerability."

The weakness was disclosed 09/09/2014 by Noam Rathaus (SecuriTeam) with Beyond Security's SecuriTeam Secure Disclosure as MS14-055 as confirmed bulletin (Technet) via Securiteam. The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2014-4070 since 06/12/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 77575 (MS14-055: Vulnerability in Microsoft Lync Server Could Allow Denial of Service (2990928)), 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 90976 (Microsoft Lync Server Denial of Service Vulnerability (MS14-055)).

Applying the patch MS14-055 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 X-Force (95546), Tenable (77575), SecurityFocus (BID 69579†), SecurityTracker (ID 1030821†) and Vulnerability Center (SBV-46030†). The entries VDB-67516 and VDB-67518 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.4
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 77575
Nessus Name: MS14-055: Vulnerability in Microsoft Lync Server Could Allow Denial of Service (2990928)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: get_kb_item(MS/Lync/Server/Name
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS14-055

Timelineinfo

06/12/2014 🔍
09/09/2014 +89 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/10/2014 +1 days 🔍
09/10/2014 +0 days 🔍
02/15/2022 +2715 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-055
Researcher: Noam Rathaus (SecuriTeam)
Organization: Beyond Security's SecuriTeam Secure Disclosure
Status: Confirmed

CVE: CVE-2014-4070 (🔍)
GCVE (CVE): GCVE-0-2014-4070
GCVE (VulDB): GCVE-100-67517

OVAL: 🔍
IAVM: 🔍

X-Force: 95546 - Microsoft Lync Server reflected XSS information disclosure, Medium Risk
SecurityFocus: 69579 - Microsoft Lync Server CVE-2014-4070 Cross Site Scripting Vulnerability
SecurityTracker: 1030821 - Microsoft Lync Bugs Permit Cross-Site Scripting and Denial of Service Attacks
Vulnerability Center: 46030 - [MS14-055] Microsoft Lync Server 2010 and 2013 Remote Information Disclosure via a Crafted URL - CVE-2014-4070, High

See also: 🔍

Entryinfo

Created: 09/10/2014 11:36
Updated: 02/15/2022 20:39
Changes: 09/10/2014 11:36 (87), 06/06/2017 08:19 (6), 02/15/2022 20:39 (3)
Complete: 🔍
Cache ID: 216:BFB:103

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