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

Summaryinfo

A vulnerability, which was classified as critical, was found in JetBrains Ktor Framework up to 1.1.x. This issue affects some unknown processing of the component LDAP Handler. The manipulation as part of Username results in input validation. This vulnerability is reported as CVE-2019-12736. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

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.

The entries VDB-142773, VDB-142775, VDB-142777 and VDB-142781 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AVACAuCIA
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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: 🔍

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: 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 (🔍)
GCVE (CVE): GCVE-0-2019-12736
GCVE (VulDB): GCVE-100-142872
See also: 🔍

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: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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