Multiple vulnerabilities in Atlassian JIRA



| Updated: 2020-08-08
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-14167
CVE-2020-4028
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Jira Software
Client/Desktop applications / Other client software

Vendor Atlassian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU34184

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-14167

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The MessageBundleResource resource in Jira Server and Data Center before version 7.13.4, from 8.5.0 before 8.5.5, from 8.8.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to impact the application's availability via an Denial of Service (DoS) vulnerability.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.9.0

CPE2.3 External links

https://jira.atlassian.com/browse/JRASERVER-71197


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) Input validation error

EUVDB-ID: #VU34201

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-4028

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

Versions before 8.9.1, Various resources in Jira responded with a 404 instead of redirecting unauthenticated users to the login page, in some situations this may have allowed unauthorised attackers to determine if certain resources exist or not through an Information Disclosure vulnerability.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.9.0

CPE2.3 External links

https://jira.atlassian.com/browse/JRASERVER-71175


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.



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