VDB-93651 · CVE-2016-6450 · BID 94340

Cisco IOS XE package unbundle File input validation

CVSS Meta Temp Score
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CTI Interest Score
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2.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE. It has been classified as problematic. This affects an unknown function of the component package unbundle. Performing a manipulation results in input validation (File). This vulnerability is identified as CVE-2016-6450. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (unknown version). It has been classified as problematic. This affects an unknown code block of the component package unbundle. The manipulation with an unknown input leads to a input validation vulnerability (File). CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 11/15/2016. The weakness was released 11/15/2016 by Maksim Malyutin (DiGiT) with Digital Security as cisco-sa-20161115-iosxe / CSCva60013 / CSCvb22622 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2016-6450 since 07/26/2016. The exploitability is told to be easy. Attacking locally is a requirement. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/04/2022). The advisory points out:

The vulnerability is due to insufficient validation of files submitted to the affected installation utility. An attacker could exploit this vulnerability by uploading a crafted file to an affected system and running the installation utility command. A successful exploit could allow the attacker to gain write access to some files in the underlying operating system, which could allow the attacker to override the write-accessible files and compromise the integrity of the system.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 316072 (Cisco IOS XE Software Directory Traversal Vulnerability (cisco-sa-20161115-iosxe)).

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 SecurityFocus (BID 94340†) and SecurityTracker (ID 1037299†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.5
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Input validation / File
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: 🔍

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OpenVAS ID: 860823
OpenVAS Name: Cisco IOS XE Software Directory Traversal Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2016 🔍
11/15/2016 +112 days 🔍
11/15/2016 +0 days 🔍
11/15/2016 +0 days 🔍
11/16/2016 +1 days 🔍
11/16/2016 +0 days 🔍
11/18/2016 +2 days 🔍
10/04/2022 +2146 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20161115-iosxe / CSCva60013 / CSCvb22622
Researcher: Maksim Malyutin (DiGiT)
Organization: Digital Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6450 (🔍)
GCVE (CVE): GCVE-0-2016-6450
GCVE (VulDB): GCVE-100-93651

OVAL: 🔍

SecurityFocus: 94340 - Cisco IOS XE Software CVE-2016-6450 Local Directory Traversal Vulnerability
SecurityTracker: 1037299

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 11/16/2016 14:19
Updated: 10/04/2022 08:24
Changes: 11/16/2016 14:19 (63), 06/01/2019 21:45 (16), 10/04/2022 08:24 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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