VDB-156442 · CVE-2020-13977 · GCVE-0-2020-13977

Nagios 4.4.5 Config Setting archivejson.cgi 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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Nagios 4.4.5. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file archivejson.cgi of the component Config Setting Handler. Executing a manipulation can lead to injection. This vulnerability is tracked as CVE-2020-13977. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Nagios 4.4.5 (Log Management Software) and classified as critical. This vulnerability affects some unknown processing of the file archivejson.cgi of the component Config Setting Handler. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files.

The weakness was disclosed 06/09/2020. This vulnerability was named CVE-2020-13977 since 06/09/2020. The exploitation appears to be easy. The attack can be initiated remotely. Required for exploitation is a single authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Log Management Software

Name

Nagios

Version

4.4.5

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
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: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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

06/09/2020 🔍
06/09/2020 +0 days 🔍
06/10/2020 +1 days 🔍
06/10/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-13977 (🔍)
GCVE (CVE): GCVE-0-2020-13977
GCVE (VulDB): GCVE-100-156442

Entryinfo

Created: 06/10/2020 11:36
Updated: 06/10/2020 11:41
Changes: 06/10/2020 11:36 (35), 06/10/2020 11:41 (18)
Complete: 🔍
Cache ID: 216::103