Jira Service Management Data Center and Server update for json-smart

Published: 2023-10-31

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-31684 CVE-2023-1370
CWE-ID	CWE-20 CWE-674
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Jira Service Management Server Server applications / Other server solutions Jira Service Management Data Center Server applications / Other server solutions
Vendor	Atlassian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU65499

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31684

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 vulnerability exists due to improper input validation within indexOf() function of JSONParserByteArray. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Service Management Server: 4.20.0 - 4.20.26

Jira Service Management Data Center: 4.20.0 - 4.20.26

External links

http://jira.atlassian.com/browse/JSDSERVER-14748

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) Uncontrolled Recursion

EUVDB-ID: #VU75044