Cisco Unified Communications Manager Session Initiation Protocol memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Unified Communications Manager. It has been declared as problematic. This vulnerability affects unknown code of the component Session Initiation Protocol. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2017-3808. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Unified Communications Manager (Unified Communication Software) and classified as problematic. Affected by this issue is some unknown processing of the component Session Initiation Protocol. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

A vulnerability in the Session Initiation Protocol (SIP) UDP throttling process of Cisco Unified Communications Manager (Cisco Unified CM) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient rate limiting protection. An attacker could exploit this vulnerability by sending the affected device a high rate of SIP messages. An exploit could allow the attacker to cause the device to reload unexpectedly. The device and services will restart automatically. This vulnerability affects Cisco Unified Communications Manager (CallManager) releases prior to the first fixed release; the following list indicates the first minor release that includes the fix for this vulnerability: 10.5.2.14900-16 11.0.1.23900-5 11.5.1.12900-2. Cisco Bug IDs: CSCuz72455.

The bug was discovered 04/19/2017. The weakness was published 04/20/2017 with Cisco as cisco-sa-20170419-ucm as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2017-3808 since 12/21/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 99706 (Cisco Unified Communications Manager SIP UDP Throttling DoS (CSCuz72455)), 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 c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316113 (Cisco Unified Communications Manager Denial of Service Vulnerability (cisco-sa-20170419-ucm)).

Upgrading to version 10.5.2.14900-16, 11.0.1.23900-5 or 11.5.1.12900-2 eliminates this vulnerability. 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 (99706) and SecurityFocus (BID 97922†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 99706
Nessus Name: Cisco Unified Communications Manager SIP UDP Throttling DoS (CSCuz72455)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco Unified Communications Manager Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Communications Manager 10.5.2.14900-16/11.0.1.23900-5/11.5.1.12900-2

Timelineinfo

12/21/2016 🔍
04/19/2017 +119 days 🔍
04/19/2017 +0 days 🔍
04/19/2017 +0 days 🔍
04/20/2017 +1 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
04/27/2017 +6 days 🔍
08/28/2024 +2680 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170419-ucm
Researcher: Cisco
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3808 (🔍)
GCVE (CVE): GCVE-0-2017-3808
GCVE (VulDB): GCVE-100-100400
SecurityFocus: 97922 - Cisco Unified Communications Manager CVE-2017-3808 Denial of Service Vulnerability
OSVDB: - CVE-2017-3808 - Cisco - UCM - Denial of Service Issue
SecurityTracker: 1038318

Entryinfo

Created: 04/21/2017 10:10
Updated: 08/28/2024 17:50
Changes: 04/21/2017 10:10 (72), 09/19/2020 09:24 (7), 12/21/2020 10:39 (3), 12/21/2020 10:43 (1), 08/28/2024 17:50 (17)
Complete: 🔍
Cache ID: 216::103

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