simplehttpserver up to 0.2.1 path traversal

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in simplehttpserver up to 0.2.1. Affected is an unknown function. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2018-16478. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in simplehttpserver up to 0.2.1. It has been declared as problematic. This vulnerability affects an unknown function. 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 confidentiality. CVE summarizes:

A Path Traversal in simplehttpserver versions <=0.2.1 allows to list any file in another folder of web root.

The bug was discovered 11/23/2018. The weakness was released 12/04/2018 (Website). The advisory is shared for download at hackerone.com. This vulnerability was named CVE-2018-16478 since 09/04/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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 11 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.3
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

09/04/2018 🔍
11/23/2018 +80 days 🔍
12/04/2018 +11 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
04/17/2020 +499 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined

CVE: CVE-2018-16478 (🔍)
GCVE (CVE): GCVE-0-2018-16478
GCVE (VulDB): GCVE-100-127456

Entryinfo

Created: 12/05/2018 08:09
Updated: 04/17/2020 10:09
Changes: 12/05/2018 08:09 (55), 04/17/2020 10:09 (1)
Complete: 🔍
Cache ID: 216::103

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