Remote code execution in Sitecore Experience Platform

1) Code Injection

EUVDB-ID: #VU104042

Risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2023-35813

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

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation when handling HTTP POST requests. A remote non-authenticated attacker can send a specially crafted HTTP POST request to the application 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

Sitecore Experience Platform: 8.2 - 10.3

CPE2.3

• cpe:2.3:a:sitecore:sitecore_experience_platform:8.2:*:*:*:*:*:*:*
• cpe:2.3:a:sitecore:sitecore_experience_platform:9.0:Update-1:*:*:*:*:*:*
• cpe:2.3:a:sitecore:sitecore_experience_platform:9.0:Update-2:*:*:*:*:*:*

External links

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1002979

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?

Yes. This vulnerability is being exploited in the wild.