Cisco IOS XE 15.4(3)S on ASR 1000 Software Package Loader filename access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE 15.4(3)S on ASR 1000. It has been declared as problematic. The impacted element is an unknown function of the component Software Package Loader. Executing a manipulation of the argument filename can lead to access control. This vulnerability is tracked as CVE-2015-6383. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Cisco IOS XE 15.4(3)S on ASR 1000 (Router Operating System). This vulnerability affects some unknown processing of the component Software Package Loader. The manipulation of the argument filename 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, integrity, and availability. CVE summarizes:

Cisco IOS XE 15.4(3)S on ASR 1000 devices improperly loads software packages, which allows local users to bypass license restrictions and obtain certain root privileges by using the CLI to enter crafted filenames, aka Bug ID CSCuv93130.

The weakness was disclosed 12/03/2015 with Cisco as CSCuv93130 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2015-6383 since 08/17/2015. The attack needs to be approached locally. Required for exploitation is a single authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/28/2022). The MITRE ATT&CK project declares the attack technique as T1068.

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 78521†) and Vulnerability Center (SBV-54697†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
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: 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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OpenVAS ID: 800316
OpenVAS Name: Cisco ASR 1000 Series Root Shell License Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

08/17/2015 🔍
11/30/2015 +105 days 🔍
11/30/2015 +0 days 🔍
12/01/2015 +1 days 🔍
12/02/2015 +1 days 🔍
12/03/2015 +1 days 🔍
12/03/2015 +0 days 🔍
06/28/2022 +2399 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuv93130
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6383 (🔍)
GCVE (CVE): GCVE-0-2015-6383
GCVE (VulDB): GCVE-100-79372

OVAL: 🔍

SecurityFocus: 78521 - Cisco IOS XE 3S Software CVE-2015-6383 Local Security Bypass Vulnerability
SecurityTracker: 1034277
Vulnerability Center: 54697 - [cisco-sa-20151130-iosxe3s] Cisco IOS XE 3.13.0S on ASR 1000 Devices Local Privilege Escalation, Medium

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

Entryinfo

Created: 12/03/2015 09:42
Updated: 06/28/2022 09:49
Changes: 12/03/2015 09:42 (54), 05/09/2018 11:43 (14), 06/28/2022 09:49 (3)
Complete: 🔍
Cache ID: 216:2AC:103

Once again VulDB remains the best source for vulnerability data.

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