Atlassian JIRA Server/Data Center up to 8.7.x /rendering/wiki denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Atlassian JIRA Server and Data Center up to 8.7.x and classified as problematic. This affects an unknown part of the file /rendering/wiki. The manipulation leads to denial of service. This vulnerability is listed as CVE-2019-20418. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Atlassian JIRA Server and Data Center up to 8.7.x (Bug Tracking Software). It has been rated as problematic. This issue affects an unknown part of the file /rendering/wiki. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to prevent users from accessing the instance via an Application Denial of Service vulnerability in the /rendering/wiki endpoint. The affected versions are before version 8.8.0.

The weakness was presented 07/03/2020 (Website). It is possible to read the advisory at jira.atlassian.com. The identification of this vulnerability is CVE-2019-20418 since 01/23/2020. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 8.8.0 eliminates this vulnerability.

See VDB-157647 and VDB-157644 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Denial of service
CWE: CWE-404
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: JIRA Server/Data Center 8.8.0

Timelineinfo

01/23/2020 🔍
07/03/2020 +162 days 🔍
07/04/2020 +1 days 🔍
07/04/2020 +0 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: jira.atlassian.com
Status: Not defined

CVE: CVE-2019-20418 (🔍)
GCVE (CVE): GCVE-0-2019-20418
GCVE (VulDB): GCVE-100-157643
See also: 🔍

Entryinfo

Created: 07/04/2020 07:55
Updated: 07/04/2020 08:00
Changes: 07/04/2020 07:55 (40), 07/04/2020 08:00 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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