Cisco Unified Communications Manager IM XCP Router Service IPv6 Packet input validation

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 IM , Presence Service and TelePresence Video Communication Server and classified as problematic. This affects an unknown part of the component XCP Router Service. Executing a manipulation as part of IPv6 Packet can lead to input validation. This vulnerability appears as CVE-2018-0409. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Unified Communications Manager IM , Presence Service and TelePresence Video Communication Server (Unified Communication Software) (the affected version is unknown). It has been declared as problematic. This vulnerability affects an unknown code of the component XCP Router Service. The manipulation as part of a IPv6 Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

A vulnerability in the XCP Router service of the Cisco Unified Communications Manager IM & Presence Service (CUCM IM&P) and the Cisco TelePresence Video Communication Server (VCS) and Expressway could allow an unauthenticated, remote attacker to cause a temporary service outage for all IM&P users, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400. An exploit could allow the attacker to overread a buffer, resulting in a crash and restart of the XCP Router service. Cisco Bug IDs: CSCvg97663, CSCvi55947.

The bug was discovered 08/15/2018. The weakness was presented 08/15/2018 as cisco-sa-20180815-ucmimps-dos as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2018-0409 since 11/26/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 112217 (Cisco Unified Communications Manager Denial-of-Service Vulnerability (DoS)), 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 38728 (Cisco TelePresence VCS Denial of Service Vulnerability(cisco-sa-20180815-ucmimps-dos)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 hours after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112217) and SecurityFocus (BID 105102†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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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: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 112217
Nessus Name: Cisco Unified Communications Manager Denial-of-Service Vulnerability (DoS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

11/26/2017 🔍
08/15/2018 +261 days 🔍
08/15/2018 +0 days 🔍
08/15/2018 +0 days 🔍
08/15/2018 +0 days 🔍
08/15/2018 +0 days 🔍
08/16/2018 +1 days 🔍
08/31/2018 +15 days 🔍
05/02/2023 +1705 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20180815-ucmimps-dos
Status: Confirmed

CVE: CVE-2018-0409 (🔍)
GCVE (CVE): GCVE-0-2018-0409
GCVE (VulDB): GCVE-100-122938
SecurityFocus: 105102 - Multiple Cisco Products CVE-2018-0409 Denial Of Service Vulnerability
SecurityTracker: 1041533

Entryinfo

Created: 08/16/2018 06:21
Updated: 05/02/2023 09:44
Changes: 08/16/2018 06:21 (69), 03/16/2020 06:51 (5), 05/02/2023 09:44 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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