#VU98388 CRLF injection in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure) - CVE-2024-37404

Vulnerability identifier: #VU98388

Vulnerability risk: Low

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2024-37404

CWE-ID: CWE-93

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Server applications / Remote access servers, VPN
Ivanti Policy Secure (formerly Pulse Policy Secure)
Server applications / Remote access servers, VPN

Vendor: Ivanti

Description

The vulnerability allows a remote user to inject arbitrary data in server response.

The vulnerability exists due to insufficient validation of attacker-supplied data in the admin portal. A remote administrator can pass specially crafted data to the application containing CR-LF characters and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): before 22.7R2.1

Ivanti Policy Secure (formerly Pulse Policy Secure): before 22.7R1.1

---

External links
https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-and-Policy-Secure-CVE-2024-37404

---

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.