Cisco 8800 IP Phone 11.0(1) Filesystem File access control

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco 8800 IP Phone 11.0(1) and classified as problematic. This issue affects some unknown processing of the component Filesystem. The manipulation results in access control (File). This vulnerability is reported as CVE-2016-1435. The attack requires a local approach. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in Cisco 8800 IP Phone 11.0(1) (IP Phone Software). Affected is an unknown code of the component Filesystem. The manipulation with an unknown input leads to a access control vulnerability (File). CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco 8800 phones with software 11.0(1) do not properly enforce mounted-filesystem permissions, which allows local users to write to arbitrary files by leveraging shell access, aka Bug ID CSCuz03014.

The weakness was disclosed 06/20/2016 as cisco-sa-20160620-ipp / CSCuz03014 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2016-1435 since 01/04/2016. The exploitability is told to be difficult. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1036138†). The entry VDB-88091 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Access control / File
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: Patch
Status: 🔍

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

Timelineinfo

01/04/2016 🔍
06/20/2016 +168 days 🔍
06/20/2016 +0 days 🔍
06/21/2016 +1 days 🔍
06/22/2016 +1 days 🔍
06/22/2016 +0 days 🔍
02/05/2019 +958 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20160620-ipp / CSCuz03014
Status: Confirmed

CVE: CVE-2016-1435 (🔍)
GCVE (CVE): GCVE-0-2016-1435
GCVE (VulDB): GCVE-100-88092
SecurityTracker: 1036138

See also: 🔍

Entryinfo

Created: 06/22/2016 09:11
Updated: 02/05/2019 14:54
Changes: 06/22/2016 09:11 (57), 02/05/2019 14:54 (9)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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