Stack-based buffer overflow in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure) - CVE-2019-11542
Published: April 20, 2020
Vulnerability identifier: #VU27038
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11542
CWE-ID: CWE-121
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 execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Pulse Connect Secure and Pulse Policy Secure. A remote authenticated authenticated user (via the admin web interface) can send specially crafted message, trigger a stack-based buffer overflow and execute arbitrary code on the system.
How to mitigate CVE-2019-11542
Install updates from vendor's website.