PT-2024-4022 · Ivanti · Ivanti Connect Secure

Published 2024-05-21 · Updated 2024-05-31 · CVE-2023-38551

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H

Name of the Vulnerable Software and Affected Versions: Ivanti Connect Secure versions 9.x through 9.x Ivanti Connect Secure versions 22.x through 22.x

Description: The issue is related to a CRLF Injection vulnerability. This vulnerability can be exploited by a remote attacker using specially crafted data containing CRLF characters, potentially allowing the execution of arbitrary code. The vulnerability also allows an authenticated high-privileged user to inject malicious code on a victim's browser, leading to a cross-site scripting attack.

Recommendations: For Ivanti Connect Secure versions 9.x, update to a version that includes a fix for the CRLF Injection vulnerability. For Ivanti Connect Secure versions 22.x, update to a version that includes a fix for the CRLF Injection vulnerability. As a temporary workaround, consider restricting access to the CRLF injection functionality until a patch is available. Avoid using the CRLF sequence in the affected API endpoints until the issue is resolved.

Fix

Weakness Enumeration

CWE-93

Related Identifiers

BDU:2024-04455

CVE-2023-38551

Affected Products

Ivanti Connect Secure

References · 7

• https://bdu.fstec.ru/vul/2024-04455 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-38551 · Security Note
• https://forums.ivanti.com/s/article/KB-Security-Advisory-Ivanti-Connect-Secure-Ivanti-Policy-Secure-May-2024?language=en_US · Note
• https://cybersecurity-help.cz/vdb/SB2024052216 · Note
• https://forums.ivanti.com/s/article/Security-Advisory-May-2024 · Note
• https://t.me/cvenotify/81649 · Telegram Post
• https://forums.ivanti.com/s/article/Security-Advisory-May-2024?language=en_US · Note