Cisco TelePresence Server/Mobility Services Engine STUN Packet memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence Server and Mobility Services Engine. It has been classified as problematic. Impacted is an unknown function of the component STUN Packet Handler. This manipulation causes memory corruption. This vulnerability is registered as CVE-2015-6312. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Cisco TelePresence Server and Mobility Services Engine (Unified Communication Software) (unknown version) and classified as critical. Affected by this vulnerability is an unknown code block of the component STUN Packet Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

Cisco TelePresence Server 3.1 on 7010, Mobility Services Engine (MSE) 8710, Multiparty Media 310 and 320, and Virtual Machine (VM) devices allows remote attackers to cause a denial of service (device reload) via malformed STUN packets, aka Bug ID CSCuv01348.

The weakness was published 04/06/2016 as CSCuv01348 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2015-6312 since 08/17/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90541 (Cisco TelePresence Server Malformed STUN Packet Processing DoS (cisco-sa-20160406-cts2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context r.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90541) and Vulnerability Center (SBV-57988†). Similar entry is available at VDB-81626. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 90541
Nessus Name: Cisco TelePresence Server Malformed STUN Packet Processing DoS (cisco-sa-20160406-cts2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57963
OpenVAS Name: Cisco TelePresence Server Malformed STUN Packet Processing Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/17/2015 🔍
04/06/2016 +232 days 🔍
04/06/2016 +0 days 🔍
04/06/2016 +0 days 🔍
04/06/2016 +0 days 🔍
04/07/2016 +1 days 🔍
04/07/2016 +0 days 🔍
04/15/2016 +8 days 🔍
07/12/2022 +2279 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuv01348
Status: Confirmed

CVE: CVE-2015-6312 (🔍)
GCVE (CVE): GCVE-0-2015-6312
GCVE (VulDB): GCVE-100-81625
SecurityTracker: 1035500
Vulnerability Center: 57988 - [cisco-sa-20160406-cts2] Cisco TelePresence Server Remote DoS via Malformed STUN Packets, High

See also: 🔍

Entryinfo

Created: 04/07/2016 14:19
Updated: 07/12/2022 09:24
Changes: 04/07/2016 14:19 (66), 02/03/2019 10:58 (11), 07/12/2022 09:24 (4)
Complete: 🔍
Cache ID: 216:B9C:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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