Cisco Unified Communications Manager up to 8.6 File Permission input validation

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.
8.4	$5k-$25k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco Unified Communications Manager up to 8.6. The affected element is an unknown function of the component File Permission. The manipulation leads to input validation. This vulnerability is traded as CVE-2013-6689. There is no exploit available.

Detailsinfo

A vulnerability was found in Cisco Unified Communications Manager up to 8.6 (Unified Communication Software) and classified as critical. This issue affects an unknown code of the component File Permission. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cisco Unified Communications Manager (Unified CM) 9.1(1) and earlier allows local users to bypass file permissions, and read, modify, or create arbitrary files, via an "overload" of the command-line utility, aka Bug ID CSCui58229.

The weakness was shared 11/17/2013 as 31758 as confirmed vulnerability alert (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2013-6689 since 11/07/2013. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/02/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-65488 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

Unified Communications Manager

Version

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/07/2013 🔍
11/17/2013 +10 days 🔍
11/17/2013 +0 days 🔍
03/24/2015 +492 days 🔍
03/02/2019 +1439 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 31758
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6689 (🔍)
GCVE (CVE): GCVE-0-2013-6689
GCVE (VulDB): GCVE-100-65489
See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 03/02/2019 13:11
Changes: 03/24/2015 15:54 (49), 03/02/2019 13:11 (2)
Complete: 🔍
Cache ID: 216::103

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