VDB-11548 · CVE-2012-4135 · BID 64450

Cisco NX-OS Command Line Interface path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Cisco NX-OS. This impacts an unknown function of the component Command Line Interface. Executing a manipulation can lead to path traversal. This vulnerability appears as CVE-2012-4135. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic was found in Cisco NX-OS (Router Operating System) (unknown version). This vulnerability affects an unknown code block of the component Command Line Interface. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect availability. CVE summarizes:

Directory traversal vulnerability in filesys in Cisco NX-OS 6.1(2) and earlier allows local users to access arbitrary files via crafted command-line arguments during a delete action, aka Bug IDs CSCty07270, CSCty07271, CSCty07273, and CSCty07275.

The weakness was presented 12/19/2013 as CSCty07270/CSCty07271/CSCty07273/CSCty07275 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2012-4135 since 07/31/2012. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006. The advisory points out:

The vulnerability is due to improper filtering of user input. An attacker could exploit this vulnerability by leveraging the filesys delete command to perform a directory traversal attack. An exploit could allow the attacker to delete arbitrary files on an affected device.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at SecurityFocus (BID 64450†), OSVDB (101171†) and Vulnerability Center (SBV-42718†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: 🔍

0-Day Time: 🔍

Timelineinfo

07/31/2012 🔍
12/19/2013 +506 days 🔍
12/19/2013 +0 days 🔍
12/20/2013 +1 days 🔍
12/21/2013 +1 days 🔍
12/25/2013 +4 days 🔍
05/18/2017 +1240 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCty07270/CSCty07271/CSCty07273/CSCty07275
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-4135 (🔍)
GCVE (CVE): GCVE-0-2012-4135
GCVE (VulDB): GCVE-100-11548
SecurityFocus: 64450
OSVDB: 101171
Vulnerability Center: 42718 - Cisco NX-OS Local Directory Traversal Vulnerability via Crafted Command-line Arguments During Delete, Medium

Entryinfo

Created: 12/20/2013 16:00
Updated: 05/18/2017 17:25
Changes: 12/20/2013 16:00 (43), 05/18/2017 17:25 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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