Microsoft Lync 2010/2013 input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability was found in Microsoft Lync 2010/2013 (Unified Communication Software). It has been declared as problematic. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability.

The weakness was released 09/09/2014 by Peter Schraffl with Telecommunication Software GmbH as MS14-055 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2014-4068 since 06/12/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

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 (95544) and Tenable (77575). Entries connected to this vulnerability are available at 67514, 67517 and 67518.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 77575
Nessus Name: MS14-055: Vulnerability in Microsoft Lync Server Could Allow Denial of Service (2990928)
Nessus File: 🔍
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OpenVAS ID: 802074
OpenVAS Name: get_kb_item(MS/Lync/Server/Name
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS14-055

Timelineinfo

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

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-055
Researcher: Peter Schraffl
Organization: Telecommunication Software GmbH
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4068 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 95544 - Microsoft Lync Server denial of service, High Risk
SecurityTracker: 1030821 - Microsoft Lync Bugs Permit Cross-Site Scripting and Denial of Service Attacks
Vulnerability Center: 46032 - [MS14-055] Microsoft Lync Server 2010 and 2013 Remote DoS via a Crafted Call - CVE-2014-4068, Medium
SecurityFocus: 69586 - Microsoft Lync Server CVE-2014-4068 Remote Denial of Service Vulnerability

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Entryinfo

Created: 09/10/2014 11:36
Updated: 02/15/2022 20:31
Changes: 09/10/2014 11:36 (83), 06/06/2017 08:19 (6), 02/15/2022 20:23 (3), 02/15/2022 20:31 (1)
Complete: 🔍

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