Cisco NX-OS Command Line Interface Parser file name access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Cisco NX-OS. The impacted element is an unknown function of the component Command Line Interface Parser. Executing a manipulation of the argument file name can lead to access control. This vulnerability is registered as CVE-2012-4141. Furthermore, an exploit is available. You should upgrade the affected component.
Details
A vulnerability was found in Cisco NX-OS (Router Operating System) (affected version not known). It has been declared as problematic. This vulnerability affects some unknown functionality of the component Command Line Interface Parser. The manipulation of the argument file name with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:
Directory traversal vulnerability in the CLI parser in Cisco NX-OS allows local users to create arbitrary script files via a relative pathname in the "file name" parameter, aka Bug IDs CSCua71557 and CSCua71551.
The weakness was published 10/04/2013 with Cisco as Cisco NX-OS Local Write Redirection Vulnerability as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2012-4141 since 07/31/2012. The attack needs to be approached locally. A single authentication is required for exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at SecurityFocus (BID 62839†) and OSVDB (98122†). Similar entries are available at VDB-10604, VDB-10603, VDB-10602 and VDB-10601. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.0
VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
07/31/2012 🔍10/04/2013 🔍
10/04/2013 🔍
10/04/2013 🔍
10/05/2013 🔍
10/08/2013 🔍
05/26/2021 🔍
Sources
Vendor: cisco.comAdvisory: Cisco NX-OS Local Write Redirection Vulnerability
Organization: Cisco
Status: Confirmed
Coordinated: 🔍
CVE: CVE-2012-4141 (🔍)
GCVE (CVE): GCVE-0-2012-4141
GCVE (VulDB): GCVE-100-10600
SecurityFocus: 62839 - Cisco NX-OS 'file name' Parameter Arbitrary File Write Vulnerability
OSVDB: 98122
SecurityTracker: 1029160
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 10/08/2013 13:13Updated: 05/26/2021 09:37
Changes: 10/08/2013 13:13 (60), 03/15/2019 10:38 (3), 05/26/2021 09:37 (3)
Complete: 🔍
Committer:
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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