VDB-135675 · CVE-2018-16217 · GCVE-0-2018-16217

Yeahlink Ultra-elegant IP Phone SIP-T41P 66.83.0.35 Network Diagnostic os command injection

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Yeahlink Ultra-elegant IP Phone SIP-T41P 66.83.0.35. Affected by this issue is some unknown functionality of the component Network Diagnostic. Performing a manipulation results in os command injection. This vulnerability is known as CVE-2018-16217. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Yeahlink Ultra-elegant IP Phone SIP-T41P 66.83.0.35 (IP Phone Software). This affects an unknown functionality of the component Network Diagnostic. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The network diagnostic function (ping) in the Yeahlink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35) allows a remote authenticated attacker to trigger OS commands or open a reverse shell via command injection.

The weakness was published 05/29/2019. This vulnerability is uniquely identified as CVE-2018-16217 since 08/30/2018. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-135677 and VDB-135676. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

IP Phone Software

Vendor

Yeahlink

Name

Ultra-elegant IP Phone SIP-T41P

Version

66.83.0.35

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2018 🔍
05/29/2019 +272 days 🔍
05/30/2019 +1 days 🔍
09/24/2023 +1578 days 🔍

Sourcesinfo

Advisory: sit.fraunhofer.de
Status: Not defined

CVE: CVE-2018-16217 (🔍)
GCVE (CVE): GCVE-0-2018-16217
GCVE (VulDB): GCVE-100-135675
See also: 🔍

Entryinfo

Created: 05/30/2019 07:16
Updated: 09/24/2023 16:03
Changes: 05/30/2019 07:16 (36), 06/16/2020 21:05 (18), 09/24/2023 16:03 (3)
Complete: 🔍
Cache ID: 216::103

Submitinfo

Duplicate

Submit #XXXXXX: Xxxxxxx Xxx-xxxx Xxxx Xx.xx.x.xxx Xxx Xxxxx Xx Xxxxxxx Xxxxxxxxx (by Syrtain)

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