Zammad 3.0/3.1/3.2 WebSocket Server Messages input validation

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CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability was found in Zammad 3.0/3.1/3.2 and classified as problematic. Affected by this issue is an unknown code of the component WebSocket Server. The manipulation as part of a Messages leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-20. Impacted is availability. CVE summarizes:

An issue was discovered in Zammad 3.0 through 3.2. The WebSocket server crashes when messages in non-JSON format are sent by an attacker. The message format is not properly checked and parsing errors not handled. This leads to a crash of the service process.

The weakness was shared 03/05/2020. This vulnerability is handled as CVE-2020-10101. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/05/2020).

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

The entries 150858, 150857, 150856 and 150855 are related to this item.

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CPE 2.3infoedit

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VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

03/05/2020 Advisory disclosed
03/05/2020 +0 days VulDB entry created
03/05/2020 +0 days VulDB last update

Sourcesinfoedit

Status: Not defined

CVE: CVE-2020-10101 (🔒)
See also: 🔒

Entryinfoedit

Created: 03/05/2020 07:56 AM
Changes: (16) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_nvd_summary
Complete: 🔍

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