VDB-102188 · CVE-2016-7826 · BID 94648

Buffalo WNC01WH up to 1.0.0.8 POST Request path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Buffalo WNC01WH up to 1.0.0.8. This impacts an unknown function of the component POST Request Handler. Such manipulation leads to path traversal. This vulnerability is listed as CVE-2016-7826. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Buffalo WNC01WH up to 1.0.0.8. Affected by this issue is some unknown functionality of the component POST Request Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. CVE summarizes:

Directory traversal vulnerability in Buffalo WNC01WH devices with firmware version 1.0.0.8 and earlier allows authenticated attackers to read arbitrary files via specially crafted POST requests.

The bug was discovered 12/02/2015. The weakness was presented 06/09/2017 by Toshitsugu Yoneyama with Mitsui Bussan Secure Directions (Website). The advisory is shared for download at jvn.jp. This vulnerability is handled as CVE-2016-7826 since 09/09/2016. The attack may be launched remotely. A simple authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

The vulnerability was handled as a non-public zero-day exploit for at least 555 days. During that time the estimated underground price was around $0-$5k.

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 94648†). See VDB-102183, VDB-102184, VDB-102185 and VDB-102186 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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: No
Local: No
Remote: Yes

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

12/02/2015 🔍
09/09/2016 +282 days 🔍
12/02/2016 +84 days 🔍
06/09/2017 +189 days 🔍
06/09/2017 +0 days 🔍
06/10/2017 +1 days 🔍
10/15/2019 +857 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Toshitsugu Yoneyama
Organization: Mitsui Bussan Secure Directions
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7826 (🔍)
GCVE (CVE): GCVE-0-2016-7826
GCVE (VulDB): GCVE-100-102188
SecurityFocus: 94648 - Buffalo WNC01WH JVN#40613060 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/10/2017 08:54
Updated: 10/15/2019 18:20
Changes: 06/10/2017 08:54 (60), 10/15/2019 18:20 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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