Cisco Unified Communications Manager 15.3/15.4 SIP Message 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-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco Unified Communications Manager 15.3/15.4. Affected by this issue is some unknown functionality of the component SIP Message Handler. The manipulation leads to resource management. This vulnerability is listed as CVE-2016-1350. The attack may be initiated remotely. There is no available exploit. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Unified Communications Manager 15.3/15.4 (Unified Communication Software). This issue affects an unknown code of the component SIP Message 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 IOS 15.3 and 15.4, Cisco IOS XE 3.8 through 3.11, and Cisco Unified Communications Manager allow remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bug ID CSCuj23293.

The weakness was presented 03/26/2016 with Cisco as CSCuj23293 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2016-1350 since 01/04/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90310 (Cisco IOS SIP Memory Leak DoS (CSCuj23293)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43894 (Cisco IOS Software Session Initiation Protocol Memory Leak Vulnerability (cisco-sa-20160323-sip)).

Addressing this vulnerability is possible by firewalling . A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90310), SecurityFocus (BID 85372†) and Vulnerability Center (SBV-57696†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 90310
Nessus Name: Cisco IOS SIP Memory Leak DoS (CSCuj23293)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS and IOS XE and Cisco Unified Communications Manager Software Session Initiation Protocol Memory Leak Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2016 🔍
03/23/2016 +79 days 🔍
03/23/2016 +0 days 🔍
03/23/2016 +0 days 🔍
03/24/2016 +1 days 🔍
03/24/2016 +0 days 🔍
03/26/2016 +1 days 🔍
03/27/2016 +1 days 🔍
04/01/2016 +5 days 🔍
10/15/2024 +3119 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuj23293
Organization: Cisco
Status: Confirmed

CVE: CVE-2016-1350 (🔍)
GCVE (CVE): GCVE-0-2016-1350
GCVE (VulDB): GCVE-100-81533

OVAL: 🔍

SecurityFocus: 85372 - Cisco IOS/ IOS XE/ Unified Communications Manager CVE-2016-1350 Denial of Service Vulnerability
SecurityTracker: 1035420
Vulnerability Center: 57696 - [cisco-sa-20160323-sip] Cisco IOS, IOS XE and CUCM Remote Information Disclosure due to SIP Issue, High

Entryinfo

Created: 03/27/2016 19:14
Updated: 10/15/2024 08:18
Changes: 03/27/2016 19:14 (70), 02/02/2019 11:38 (13), 07/11/2022 14:58 (3), 10/15/2024 08:18 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!