Cisco Unified Communications Manager IM/Presence Service SIP Packet resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cisco Unified Communications Manager IM and Presence Service 9.1(1) SU6 up to 11.0(1) SU1. It has been rated as problematic. This affects an unknown part of the component SIP Packet Handler. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2016-1466. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Unified Communications Manager IM and Presence Service 9.1(1) SU6 up to 11.0(1) SU1 (Unified Communication Software). This issue affects an unknown function of the component SIP Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

Cisco Unified Communications Manager IM and Presence Service 9.1(1) SU6, 9.1(1) SU6a, 9.1(1) SU7, 10.5(2) SU2, 10.5(2) SU2a, 11.0(1) SU1, and 11.5(1) allows remote attackers to cause a denial of service (sipd process restart) via crafted headers in a SIP packet, aka Bug ID CSCva39072.

The weakness was disclosed 08/08/2016 with Cisco as CSCva39072 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2016-1466 since 01/04/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Addressing this vulnerability is possible by firewalling .

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92271†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Presence Service
• Unified Communications Manager IM

Version

• 9.1(1) SU6
• 9.1(1) SU6a
• 9.1(1) SU7
• 10.5(2) SU2
• 10.5(2) SU2a
• 11.0(1) SU1
• 11.5(1)

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 103403
OpenVAS Name: Cisco Unified Communications Manager IM and Presence Service SIP Packet Processing Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

Timelineinfo

01/04/2016 🔍
08/03/2016 +212 days 🔍
08/07/2016 +4 days 🔍
08/08/2016 +1 days 🔍
08/08/2016 +0 days 🔍
09/12/2022 +2226 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCva39072
Organization: Cisco
Status: Confirmed

CVE: CVE-2016-1466 (🔍)
GCVE (CVE): GCVE-0-2016-1466
GCVE (VulDB): GCVE-100-90587
SecurityFocus: 92271 - Cisco Unified Communications Manager IM and Presence Service Denial of Service Vulnerability
SecurityTracker: 1036526

Entryinfo

Created: 08/08/2016 15:15
Updated: 09/12/2022 14:45
Changes: 08/08/2016 15:15 (56), 03/21/2019 19:24 (12), 09/12/2022 14:45 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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