Twonky Server up to 8.5 rpc/set_all contentbase path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Twonky Server up to 8.5. The affected element is an unknown function of the file rpc/set_all. Performing a manipulation of the argument contentbase with the input .. as part of Parameter results in path traversal. This vulnerability is known as CVE-2018-7171. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Twonky Server up to 8.5. This affects some unknown processing of the file rpc/set_all. The manipulation of the argument contentbase with the input value .. 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. The summary by CVE is:

Directory traversal vulnerability in Twonky Server 7.0.11 through 8.5 allows remote attackers to share the contents of arbitrary directories via a .. (dot dot) in the contentbase parameter to rpc/set_all.

The bug was discovered 03/29/2018. The weakness was published 03/30/2018 as EDB-ID 44350 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2018-7171 since 02/15/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11996 (TwonkyMedia Server Directory traversal vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 46485.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44350). Similar entry is available at VDB-115294. 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: 6.4
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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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 866147
OpenVAS Name: Twonky Server 8.5 Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 46485
Snort Message: SERVER-WEBAPP TwonkyMedia server directory listing attempt
Snort Class: 🔍

Timelineinfo

02/15/2018 🔍
03/29/2018 +42 days 🔍
03/30/2018 +1 days 🔍
03/30/2018 +0 days 🔍
03/30/2018 +0 days 🔍
03/30/2018 +0 days 🔍
03/31/2018 +1 days 🔍
03/12/2025 +2538 days 🔍

Sourcesinfo

Advisory: EDB-ID 44350
Status: Not defined

CVE: CVE-2018-7171 (🔍)
GCVE (CVE): GCVE-0-2018-7171
GCVE (VulDB): GCVE-100-115275
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/31/2018 09:50
Updated: 03/12/2025 01:33
Changes: 03/31/2018 09:50 (76), 01/18/2020 15:14 (1), 03/12/2025 01:33 (16)
Complete: 🔍
Cache ID: 216:823:103

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

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