TP-LINK WVR/WAR/ER pptp_client.lua new-outif command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in TP-LINK WVR, WAR and ER. The impacted element is an unknown function of the file pptp_client.lua. This manipulation of the argument new-outif as part of Variable causes command injection. This vulnerability is registered as CVE-2017-15614. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in TP-LINK WVR, WAR and ER (Wireless LAN Software) (the affected version is unknown). Affected by this vulnerability is an unknown code of the file pptp_client.lua. The manipulation of the argument new-outif as part of a Variable leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-outif variable in the pptp_client.lua file.

The bug was discovered 01/10/2018. The weakness was published 01/11/2018 as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-15614 since 10/19/2017. The attack can be launched remotely. A single authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

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.

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-111744, VDB-111746, VDB-111747 and VDB-111748. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.2
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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

10/19/2017 🔍
01/10/2018 +83 days 🔍
01/11/2018 +1 days 🔍
01/11/2018 +0 days 🔍
01/12/2018 +1 days 🔍
12/22/2019 +709 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2017-15614 (🔍)
GCVE (CVE): GCVE-0-2017-15614
GCVE (VulDB): GCVE-100-111745
See also: 🔍

Entryinfo

Created: 01/12/2018 07:58
Updated: 12/22/2019 11:51
Changes: 01/12/2018 07:58 (60), 12/22/2019 11:51 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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