Cisco Small Business Phone 7.5.7 Firmware Image File Integrity input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco Small Business Phone 7.5.7. Impacted is an unknown function of the component Firmware Image File Integrity Handler. The manipulation results in input validation. This vulnerability was named CVE-2015-6403. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco Small Business Phone 7.5.7. Affected is some unknown functionality of the component Firmware Image File Integrity Handler. The manipulation with an unknown input leads to a input validation vulnerability. 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. CVE summarizes:

The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.

The weakness was presented 12/15/2015 as CSCut67400 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2015-6403 since 08/17/2015. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/01/2022).

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 vulnerability database at SecurityFocus (BID 78739†). Once again VulDB remains the best source for vulnerability data.

Affected

  • Cisco Small Business SPA30x 7.5.7
  • Cisco Small Business SPA50x 7.5.7
  • Cisco Small Business SPA51x 7.5.7

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
12/15/2015 +120 days 🔍
12/15/2015 +0 days 🔍
12/16/2015 +1 days 🔍
07/01/2022 +2389 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCut67400
Status: Confirmed

CVE: CVE-2015-6403 (🔍)
GCVE (CVE): GCVE-0-2015-6403
GCVE (VulDB): GCVE-100-79788
SecurityFocus: 78739
SecurityTracker: 1034376

Entryinfo

Created: 12/16/2015 09:46
Updated: 07/01/2022 07:57
Changes: 12/16/2015 09:46 (42), 05/05/2018 18:03 (8), 07/01/2022 07:57 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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