JetBrains Ktor Framework up to 1.1.x LDAP Username input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability was found in JetBrains Ktor Framework up to 1.1.x. It has been classified as critical. Affected is some unknown functionality of the component LDAP Handler. The manipulation as part of a Username leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

JetBrains Ktor framework before 1.2.0-rc does not sanitize the username provided by the user for the LDAP protocol, leading to command injection.

The weakness was disclosed 10/02/2019 (Website). The advisory is shared for download at blog.jetbrains.com. This vulnerability is traded as CVE-2019-12736 since 06/05/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.2.0-rc eliminates this vulnerability.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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: Ktor Framework 1.2.0-rc

Timelineinfo

06/05/2019 🔍
10/02/2019 +119 days 🔍
10/03/2019 +1 days 🔍
09/20/2020 +353 days 🔍

Sourcesinfo

Advisory: blog.jetbrains.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-12736 (🔍)

Entryinfo

Created: 10/03/2019 10:36
Updated: 09/20/2020 09:44
Changes: 10/03/2019 10:36 (58), 09/20/2020 09:44 (1)
Complete: 🔍
Cache ID: 18:7A2:103

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