CVE-2019-11542 Memory corruption in n/a

High 8.0 Published 26 Apr 2019 Updated 4 Aug 2024

An authenticated attacker can trigger a stack buffer overflow via the admin web interface, potentially leading to remote code execution.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-11542?

CVE-2019-11542 is a high-severity memory corruption vulnerability in Ivanti Connect Secure, published on 26 Apr 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, an authenticated attacker (via the admin web interface) can send a specially crafted message resulting in a stack buffer overflow.

Weakness: CWE-787

Which versions are affected by CVE-2019-11542?

It affects 3 products.

Products include Ivanti Connect Secure, Pulsesecure Pulse Connect Secure, Pulsesecure Pulse Policy Secure.

How do I fix CVE-2019-11542?

No fix has been published for CVE-2019-11542 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-11542 being exploited?

There is no known exploitation of CVE-2019-11542 in the wild and no public exploit code.

All Ivanti Connect Secure vulnerabilities

Sources

Also known as GHSA-2g59-pjjw-j55p.