Yaws Web Server 1.91 Port 8080 Service path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

A vulnerability classified as problematic was found in Yaws Web Server 1.91 (Web Server). Affected by this vulnerability is an unknown function of the component Port 8080 Service. The manipulation with the input value /%5C../ 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. The summary by CVE is:

Yaws 1.91 allows Unauthenticated Remote File Disclosure via HTTP Directory Traversal with /%5C../ to port 8080.

The bug was discovered 07/08/2017. The weakness was published 07/07/2017 by John Page (hyp3rlinx) as EDB-ID 42303 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2017-10974 since 07/06/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

A public exploit has been developed by John Page (hyp3rlinx) and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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 Exploit-DB (42303). Additional details are provided at seclists.org.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Path traversal
CWE: CWE-22
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: John Page (hyp3rlinx)
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

07/06/2017 🔍
07/07/2017 +1 days 🔍
07/07/2017 +0 days 🔍
07/07/2017 +0 days 🔍
07/07/2017 +0 days 🔍
07/07/2017 +0 days 🔍
07/07/2017 +0 days 🔍
07/08/2017 +1 days 🔍
11/25/2019 +870 days 🔍

Sourcesinfo

Advisory: EDB-ID 42303
Researcher: John Page (hyp3rlinx)
Status: Not defined

CVE: CVE-2017-10974 (🔍)
SecurityFocus: 99515 - Yaws CVE-2017-10974 Directory Traversal Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 07/07/2017 17:01
Updated: 11/25/2019 09:19
Changes: 07/07/2017 17:01 (73), 11/25/2019 09:19 (3)
Complete: 🔍

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