Cisco Unified Communications Manager up to 8.6 untrusted search path

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.
7.8	$5k-$25k	0.00

Summaryinfo

A vulnerability has been found in Cisco Unified Communications Manager up to 8.6 and classified as problematic. Impacted is an unknown function. The manipulation leads to untrusted search path. This vulnerability is uniquely identified as CVE-2013-3403. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Unified Communications Manager up to 8.6 (Unified Communication Software). This issue affects an unknown part. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple untrusted search path vulnerabilities in Cisco Unified Communications Manager (CUCM) 7.1(x) through 9.1(1a) allow local users to gain privileges by leveraging unspecified file-permission and environment-variable issues for privileged programs, aka Bug ID CSCuh73454.

The weakness was disclosed 07/18/2013 as cisco-sa-20130717-cucm as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2013-3403 since 05/06/2013. The exploitation is known to be easy. Attacking locally is a requirement. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/06/2017). The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

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

The vulnerability is also documented in the databases at X-Force (85770), SecurityFocus (BID 61291†), Secunia (SA54249†) and Vulnerability Center (SBV-40616†). The entries VDB-64492, VDB-64491, VDB-64490 and VDB-64489 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Unified Communications Manager

Version

• 8.0
• 8.1
• 8.2
• 8.3
• 8.4
• 8.5
• 8.6

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
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: Untrusted search path
CWE: CWE-426
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

05/06/2013 🔍
07/17/2013 +72 days 🔍
07/18/2013 +1 days 🔍
07/18/2013 +0 days 🔍
07/18/2013 +0 days 🔍
07/21/2013 +3 days 🔍
03/24/2015 +611 days 🔍
05/06/2017 +774 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20130717-cucm
Status: Confirmed

CVE: CVE-2013-3403 (🔍)
GCVE (CVE): GCVE-0-2013-3403
GCVE (VulDB): GCVE-100-64487
X-Force: 85770
SecurityFocus: 61291
Secunia: 54249 - Cisco Unified Communications Manager Multiple Vulnerabilities, Less Critical
Vulnerability Center: 40616 - [cisco-sa-20130717-cucm] Cisco Unified Communications Manager 7.1(x) - 9.1(1a) Local Privilege Escalation Vulnerability (CVE-2013-3403), Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 05/06/2017 19:19
Changes: 03/24/2015 15:54 (56), 05/06/2017 19:19 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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