Checkstyle up to 8.17 DTS 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Checkstyle up to 8.17. Impacted is an unknown function of the component DTS Handler. The manipulation leads to 7pk security. This vulnerability is listed as CVE-2019-9658. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Checkstyle up to 8.17. It has been rated as critical. This issue affects some unknown processing of the component DTS Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Checkstyle before 8.18 loads external DTDs by default.

The bug was discovered 02/24/2019. The weakness was presented 03/11/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. The identification of this vulnerability is CVE-2019-9658 since 03/10/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176926 (Debian Security Update for checkstyle (DLA 1768-1)).

Upgrading to version 8.18 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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

Class: 7pk security
CWE: CWE-254
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Checkstyle 8.18
Patch: github.com

Timelineinfo

02/24/2019 🔍
03/10/2019 +14 days 🔍
03/11/2019 +1 days 🔍
03/11/2019 +0 days 🔍
07/31/2023 +1603 days 🔍

Sourcesinfo

Product: github.com

Advisory: 6474
Status: Not defined

CVE: CVE-2019-9658 (🔍)
GCVE (CVE): GCVE-0-2019-9658
GCVE (VulDB): GCVE-100-131543

Entryinfo

Created: 03/11/2019 16:01
Updated: 07/31/2023 09:45
Changes: 03/11/2019 16:01 (57), 05/15/2020 10:59 (2), 07/31/2023 09:43 (5), 07/31/2023 09:45 (1)
Complete: 🔍
Cache ID: 216::103

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