Zhone zNID GPON 2426A up to S3.0 Web Admin Portal zhnping.cmd ipAddr command injection

HistoryDiffrelatejsonxmlCTI

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Zhone zNID GPON 2426A up to S3.0. This vulnerability affects unknown code of the file zhnping.cmd of the component Web Admin Portal. Such manipulation of the argument ipAddr as part of Shell Metacharacter leads to command injection. This vulnerability is traded as CVE-2014-9118. The attack may be launched remotely. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Zhone zNID GPON 2426A up to S3.0 and classified as critical. Affected by this issue is an unknown code block of the file zhnping.cmd of the component Web Admin Portal. The manipulation of the argument ipAddr as part of a Shell Metacharacter 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. CVE summarizes:

The web administrative portal in Zhone zNID GPON 2426A before S3.0.501 allows remote attackers to execute arbitrary commands via shell metacharacters in the ipAddr parameter to zhnping.cmd.

The bug was discovered 10/12/2015. The weakness was shared 10/17/2017 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2014-9118 since 11/26/2014. The exploitation is known to be easy. The attack may be launched remotely. The requirement for exploitation is a simple authentication. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

A public exploit has been developed by Lyon Yang and been published before and not just after the advisory. The exploit is available 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 736 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version S3.0.501 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (38453). The entries VDB-107923 and VDB-146041 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Zhone

Name

zNID GPON 2426A

Version

S3.0

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Lyon Yang
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: zNID GPON 2426A S3.0.501

Timelineinfo

11/26/2014 🔍
10/12/2015 +320 days 🔍
10/13/2015 +1 days 🔍
10/13/2015 +0 days 🔍
10/17/2017 +735 days 🔍
10/17/2017 +0 days 🔍
10/18/2017 +1 days 🔍
08/16/2024 +2494 days 🔍