TP-LINK TL-WVR/TL-WAR/TL-ER/TL-R uhttpd interface.lua get_device_byif t_bindif command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability was found in TP-LINK TL-WVR, TL-WAR, TL-ER and TL-R (Router Operating System) (affected version not known). It has been rated as critical. This issue affects the function get_device_byif in the library /usr/lib/lua/luci/controller/admin/interface.lua of the component uhttpd. The manipulation of the argument t_bindif with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the t_bindif field of an admin/interface command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/interface.lua in uhttpd.

The bug was discovered 11/27/2017. The weakness was shared 11/27/2017 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-16960 since 11/27/2017. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. 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.

The entries 109978, 109977 and 109976 are related to this item.

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

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

NVD Base Score: 8.8
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202

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

11/27/2017 🔍
11/27/2017 +0 days 🔍
11/27/2017 +0 days 🔍
11/27/2017 +0 days 🔍
11/27/2017 +0 days 🔍
12/10/2019 +743 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2017-16960 (🔍)
See also: 🔍

Entryinfo

Created: 11/27/2017 16:22
Updated: 12/10/2019 16:50
Changes: 11/27/2017 16:22 (59), 12/10/2019 16:50 (1)
Complete: 🔍

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