Microsoft Lync 2010 Search untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Lync 2010. It has been classified as problematic. This affects an unknown part of the component Search Handler. The manipulation leads to untrusted search path. This vulnerability is documented as CVE-2012-1849. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Lync 2010 (Unified Communication Software). It has been rated as critical. This issue affects an unknown code block of the component Search Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Untrusted search path vulnerability in Microsoft Lync 2010, 2010 Attendee, and 2010 Attendant allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .ocsmeet file, aka "Lync Insecure Library Loading Vulnerability."

The weakness was released 06/12/2012 by Hamburgers Maccoy as MS12-039 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2012-1849 since 03/22/2012. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 59457 (MS12-039: Vulnerabilities in Lync Could Allow Remote Code Execution (2707956)), 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 90811 (Microsoft Lync Remote Code Execution Vulnerability (MS12-039)).

Applying the patch MS12-039 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12329.

The vulnerability is also documented in the databases at Tenable (59457), SecurityFocus (BID 53831†) and Vulnerability Center (SBV-35303†). 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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59457
Nessus Name: MS12-039: Vulnerabilities in Lync Could Allow Remote Code Execution (2707956)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902842
OpenVAS Name: Microsoft Lync Remote Code Execution Vulnerabilities (2707956)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS12-039
TippingPoint: 🔍
ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/22/2012 🔍
06/12/2012 +82 days 🔍
06/12/2012 +0 days 🔍
06/12/2012 +0 days 🔍
06/12/2012 +0 days 🔍
06/12/2012 +0 days 🔍
06/13/2012 +1 days 🔍
02/14/2014 +611 days 🔍
06/09/2021 +2672 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-039
Researcher: Hamburgers Maccoy
Status: Confirmed

CVE: CVE-2012-1849 (🔍)
GCVE (CVE): GCVE-0-2012-1849
GCVE (VulDB): GCVE-100-12311

OVAL: 🔍

SecurityFocus: 53831 - Microsoft Lync CVE-2012-1849 DLL Loading Arbitrary Code Execution Vulnerability
Vulnerability Center: 35303 - [MS12-039] Microsoft Lync Untrusted Search Path Vulnerability Allows Local Privilege Escalation, Medium

Entryinfo

Created: 02/14/2014 14:50
Updated: 06/09/2021 14:38
Changes: 02/14/2014 14:50 (69), 04/13/2017 17:15 (10), 06/09/2021 14:38 (4)
Complete: 🔍
Cache ID: 216:281:103

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