Remote code execution via template injection in Confluence Data Center and Server



| Updated: 2024-03-22
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-22522
CWE-ID CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Atlassian Confluence Server
Server applications / Web servers

Confluence Data Center
Server applications / Other server solutions

Vendor Atlassian

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Template injection

EUVDB-ID: #VU83896

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22522

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker (both authenticated and with anonymous access) can inject an unsafe user input into a Confluence page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Atlassian Confluence Server: 4.0 - 8.5.3

Confluence Data Center: 4.0 - 8.7.0

CPE2.3 External links

http://confluence.atlassian.com/pages/viewpage.action?pageId=1319570362
http://jira.atlassian.com/browse/CONFSERVER-93415
http://jira.atlassian.com/browse/CONFSERVER-93502


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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