VDB-105420 · CVE-2017-6781 · BID 100365

Cisco Policy Suite CPS prior 9.0.0/9.1.0/10.0.0/11.0.0/12.0.0 Shell User Management access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco Policy Suite CPS. The impacted element is an unknown function of the component Shell User Management. The manipulation results in access control. This vulnerability is known as CVE-2017-6781. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco Policy Suite CPS. Affected is an unknown function of the component Shell User Management. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the management of shell user accounts for Cisco Policy Suite (CPS) Software for CPS appliances could allow an authenticated, local attacker to gain elevated privileges on an affected system. The affected privilege level is not at the root level. The vulnerability is due to incorrect role-based access control (RBAC) for shell user accounts. An attacker could exploit this vulnerability by authenticating to an affected appliance and providing crafted user input via the CLI. A successful exploit could allow the attacker to acquire a higher privilege level than should have been granted. To exploit this vulnerability, the attacker must log in to the appliance with valid credentials. Cisco Bug IDs: CSCve37724. Known Affected Releases: 9.0.0, 9.1.0, 10.0.0, 11.0.0, 12.0.0.

The bug was discovered 08/16/2017. The weakness was published 08/17/2017 with Cisco as cisco-sa-20170816-cps as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2017-6781 since 03/09/2017. The attack needs to be approached locally. The successful exploitation requires a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 9.0.0, 9.1.0, 10.0.0, 11.0.0 or 12.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100365†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Policy Suite CPS 9.0.0/9.1.0/10.0.0/11.0.0/12.0.0

Timelineinfo

03/09/2017 🔍
08/16/2017 +160 days 🔍
08/16/2017 +0 days 🔍
08/17/2017 +1 days 🔍
08/17/2017 +0 days 🔍
08/18/2017 +1 days 🔍
01/09/2021 +1240 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170816-cps
Researcher: Cisco.
Organization: Cisco
Status: Confirmed

CVE: CVE-2017-6781 (🔍)
GCVE (CVE): GCVE-0-2017-6781
GCVE (VulDB): GCVE-100-105420
SecurityFocus: 100365 - Cisco Policy Suite Software CVE-2017-6781 Local Privilege Escalation Vulnerability

Entryinfo

Created: 08/18/2017 08:45
Updated: 01/09/2021 15:32
Changes: 08/18/2017 08:45 (62), 11/07/2019 19:16 (4), 01/09/2021 15:32 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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