Multiple vulnerabilities in Atlassian JIRA



Published: 2020-03-17 | Updated: 2020-08-08
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-20899
CVE-2019-20408
CVE-2019-20407
CWE-ID CWE-20
CWE-918
CWE-862
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Jira Software
Client/Desktop applications / Other client software

Vendor Atlassian

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU34157

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20899

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.0.0 - 8.6.1

External links

http://jira.atlassian.com/browse/JRASERVER-70808


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU34185

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20408

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.7.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.0.0 - 8.6.1

External links

http://jira.atlassian.com/browse/JRASERVER-71204


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Missing Authorization

EUVDB-ID: #VU34730

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20407

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

The ConfigureBambooRelease resource in Jira Software and Jira Software Data Center before version 8.6.1 allows authenticated remote attackers to view release version information in projects that they do not have access to through an missing authorisation check.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.0.0 - 8.6.1

External links

http://jira.atlassian.com/browse/JRASERVER-70599


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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