FusionAuth up to 1.10.x E-Mail Template injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in FusionAuth up to 1.10.x. This affects an unknown part of the component E-Mail Template Handler. This manipulation causes injection. This vulnerability appears as CVE-2020-7799. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in FusionAuth up to 1.10.x and classified as critical. Affected by this vulnerability is an unknown code of the component E-Mail Template 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. The summary by CVE is:

An issue was discovered in FusionAuth before 1.11.0. An authenticated user, allowed to edit e-mail templates (Home -> Settings -> Email Templates) or themes (Home -> Settings -> Themes), can execute commands on the underlying operating system by abusing freemarker.template.utility.Execute in the Apache FreeMarker engine that processes custom templates.

The weakness was presented 01/28/2020 as not defined mailinglist post (Bugtraq). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2020-7799 since 01/22/2020. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

Upgrading to version 1.11.0 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
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

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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FusionAuth 1.11.0

Timelineinfo

01/22/2020 🔍
01/28/2020 +6 days 🔍
01/29/2020 +1 days 🔍
03/27/2024 +1519 days 🔍

Sourcesinfo

Advisory: 156102
Status: Not defined

CVE: CVE-2020-7799 (🔍)
GCVE (CVE): GCVE-0-2020-7799
GCVE (VulDB): GCVE-100-149503

Entryinfo

Created: 01/29/2020 06:55
Updated: 03/27/2024 12:18
Changes: 01/29/2020 06:55 (39), 01/29/2020 07:00 (17), 03/27/2024 12:18 (18)
Complete: 🔍
Cache ID: 216::103

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