VDB-103217 · CVE-2017-6708 · BID 99512

Cisco Ultra Services Framework up to 5.0.2/5.0 AutoVNF information disclosure

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco Ultra Services Framework up to 5.0.2/5.0. This issue affects some unknown processing of the component AutoVNF. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2017-6708. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Ultra Services Framework up to 5.0.2/5.0 and classified as problematic. This issue affects some unknown functionality of the component AutoVNF. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the symbolic link (symlink) creation functionality of the AutoVNF tool for the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to read sensitive files or execute malicious code on an affected system. The vulnerability is due to the absence of validation checks for the input that is used to create symbolic links. This vulnerability affects all releases of the Cisco Ultra Services Framework prior to Releases 5.0.3 and 5.1. Cisco Bug IDs: CSCvc76654.

The bug was discovered 07/05/2017. The weakness was disclosed 07/06/2017 with Cisco as cisco-sa-20170705-usf1 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2017-6708 since 03/09/2017. An attack has to be approached locally. A simple authentication is required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 5.0.3 or 5.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99512†). The entries VDB-103219 and VDB-103218 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Cisco

Name

Ultra Services Framework

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: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ultra Services Framework 5.0.3/5.1

Timelineinfo

03/09/2017 🔍
07/05/2017 +118 days 🔍
07/05/2017 +0 days 🔍
07/05/2017 +0 days 🔍
07/06/2017 +1 days 🔍
07/06/2017 +0 days 🔍
12/30/2020 +1273 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170705-usf1
Researcher: Cisco
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6708 (🔍)
GCVE (CVE): GCVE-0-2017-6708
GCVE (VulDB): GCVE-100-103217
SecurityFocus: 99512 - Cisco Ultra Services Framework AutoVNF Symbolic Link Handling Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 07/06/2017 12:03
Updated: 12/30/2020 21:25
Changes: 07/06/2017 12:03 (63), 10/23/2019 12:31 (5), 12/30/2020 21:25 (3)
Complete: 🔍
Cache ID: 216::103

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