Zabbix up to 4.4.0alpha1 Login api_jsonrpc.php Username information disclosure

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 (≈)
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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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Zabbix up to 4.4.0alpha1. This issue affects some unknown processing of the file api_jsonrpc.php of the component Login. Such manipulation leads to information disclosure (Username). This vulnerability is documented as CVE-2019-15132. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Zabbix up to 4.4.0alpha1 (Network Management Software). Affected by this issue is an unknown part of the file api_jsonrpc.php of the component Login. The manipulation with an unknown input leads to a information disclosure vulnerability (Username). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Zabbix through 4.4.0alpha1 allows User Enumeration. With login requests, it is possible to enumerate application usernames based on the variability of server responses (e.g., the "Login name or password is incorrect" and "No permissions for system access" messages, or just blocking for a number of seconds). This affects both api_jsonrpc.php and index.php.

The weakness was released 08/17/2019. This vulnerability is handled as CVE-2019-15132 since 08/17/2019. The attack may be launched remotely. No form of 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 T1592.

By approaching the search of inurl:api_jsonrpc.php it is possible to find vulnerable targets with Google Hacking.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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

Name: Username
Class: Information disclosure / Username
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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

08/17/2019 🔍
08/17/2019 +0 days 🔍
08/18/2019 +1 days 🔍
11/26/2023 +1561 days 🔍

Sourcesinfo

Advisory: DLA 2631-1
Status: Not defined

CVE: CVE-2019-15132 (🔍)
GCVE (CVE): GCVE-0-2019-15132
GCVE (VulDB): GCVE-100-140276

Entryinfo

Created: 08/18/2019 10:46
Updated: 11/26/2023 12:41
Changes: 08/18/2019 10:46 (36), 07/30/2020 11:41 (18), 11/26/2023 12:41 (4)
Complete: 🔍
Cache ID: 216::103

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