Stack-based buffer overflow in Ivanti Policy Secure (formerly Pulse Policy Secure) and Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2019-11542

 

Stack-based buffer overflow in Ivanti Policy Secure (formerly Pulse Policy Secure) and Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2019-11542

Published: April 20, 2020


Vulnerability identifier: #VU27038
CSH Severity: Medium
CVSS v4: 7.5 [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]
CVE-ID: CVE-2019-11542
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Ivanti Policy Secure (formerly Pulse Policy Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)

How to mitigate CVE-2019-11542

Install updates from vendor's website.

Ivanti Policy Secure (formerly Pulse Policy Secure) - addressed in versions 5.1R15.1, 5.2R12.1, 5.3R12.1, 5.4R7.1, 9.0R3.2
Ivanti Connect Secure (formerly Pulse Connect Secure) - addressed in versions 8.1R15.1, 8.2R12.1, 8.3R7.1, 9.0R3.4

External References

Related Security Bulletins