H2O up to 1.4.4/1.5.0-beta1 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in H2O up to 1.4.4/1.5.0-beta1 and classified as critical. This impacts an unknown function. Performing a manipulation results in path traversal. This vulnerability is known as CVE-2015-5638. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in H2O up to 1.4.4/1.5.0-beta1. It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Directory traversal vulnerability in H2O before 1.4.5 and 1.5.x before 1.5.0-beta2, when the file.dir directive is enabled, allows remote attackers to read arbitrary files via a crafted URL.

The weakness was published 09/20/2015 (Website). It is possible to read the advisory at h2o.examp1e.net. This vulnerability is uniquely identified as CVE-2015-5638 since 07/24/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 85965 (FreeBSD : h2o -- directory traversal vulnerability (31ea7f73-5c55-11e5-8607-74d02b9a84d5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 1.4.5 or 1.5.0-beta2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (85965) and Vulnerability Center (SBV-54220†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: 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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Nessus ID: 85965
Nessus Name: FreeBSD : h2o -- directory traversal vulnerability (31ea7f73-5c55-11e5-8607-74d02b9a84d5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: H2O 1.4.5/1.5.0-beta2

Timelineinfo

07/24/2015 🔍
09/16/2015 +54 days 🔍
09/17/2015 +1 days 🔍
09/17/2015 +0 days 🔍
09/20/2015 +3 days 🔍
09/20/2015 +0 days 🔍
09/21/2015 +1 days 🔍
11/05/2015 +45 days 🔍
03/11/2018 +857 days 🔍

Sourcesinfo

Advisory: h2o.examp1e.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5638 (🔍)
GCVE (CVE): GCVE-0-2015-5638
GCVE (VulDB): GCVE-100-77955
Vulnerability Center: 54220 - H2O <1.4.5, 1.5.0 Remote Directory Traversal via Crafted URL, Medium

Entryinfo

Created: 09/21/2015 10:18
Updated: 03/11/2018 08:46
Changes: 09/21/2015 10:18 (52), 03/11/2018 08:46 (9)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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