NULL pointer dereference in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure) - CVE-2024-22052
Published: April 4, 2024
Vulnerability identifier: #VU88140
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-22052
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ivanti
Affected software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Policy Secure (formerly Pulse Policy Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Policy Secure (formerly Pulse Policy Secure)
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the in IPSec component. A remote attacker can pass specially crafted packets to the device and perform a denial of service (DoS) attack.
How to mitigate CVE-2024-22052
Install updates from vendor's website.
Sources
- https://www.ivanti.com/blog/security-update-for-ivanti-connect-secure-and-policy-secure
- https://forums.ivanti.com/s/article/SA-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Null-Pointer-Dereference-CVE-2024-22053-Heap-Overflow-and-CVE-2024-22023-XML-entity-expansion-or-XXE-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US