VDB-130384 · CVE-2019-7301 · BID 106812

Zen Load Balancer 3.10.1 index.cgi?action=View_Cert certname 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.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Zen Load Balancer 3.10.1. Affected by this issue is some unknown functionality of the file index.cgi?action=View_Cert. Executing a manipulation of the argument certname can lead to command injection. The identification of this vulnerability is CVE-2019-7301. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Zen Load Balancer 3.10.1. This vulnerability affects some unknown functionality of the file index.cgi?action=View_Cert. The manipulation of the argument certname with an unknown input 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. CVE summarizes:

Zen Load Balancer 3.10.1 allows remote authenticated admin users to execute arbitrary commands as root via shell metacharacters in the index.cgi?action=View_Cert certname parameter.

The bug was discovered 01/31/2019. The weakness was shared 02/01/2019 by code16 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2019-7301 since 02/01/2019. The attack can be initiated remotely. A single authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106812†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Load Balancer

Version

3.10.1

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

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

01/31/2019 🔍
01/31/2019 +0 days 🔍
02/01/2019 +1 days 🔍
02/01/2019 +0 days 🔍
02/01/2019 +0 days 🔍
02/01/2019 +0 days 🔍
05/07/2020 +461 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: code16
Status: Not defined

CVE: CVE-2019-7301 (🔍)
GCVE (CVE): GCVE-0-2019-7301
GCVE (VulDB): GCVE-100-130384
SecurityFocus: 106812 - ZEN Load Balancer CVE-2019-7301 Remote Command Execution Vulnerability

Entryinfo

Created: 02/01/2019 16:23
Updated: 05/07/2020 10:36
Changes: 02/01/2019 16:23 (59), 05/07/2020 10:36 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.