CVE-2020-8249 Memory corruption in Pulse Secure Desktop Client
Local attackers can exploit a buffer overflow in the Pulse Secure Desktop Client for Linux to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8249?
CVE-2020-8249 is a high-severity memory corruption vulnerability in Pulse Secure Desktop Client, published on 28 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to perform buffer overflow.
Weakness: CWE-120
Which versions are affected by CVE-2020-8249?
It affects 1 product.
Products include Pulsesecure Pulse Secure Desktop Client.
How do I fix CVE-2020-8249?
No fix has been published for CVE-2020-8249 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-2020-8249 being exploited?
There is no known exploitation of CVE-2020-8249 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Pulse Secure Desktop Client
- CVE-2020-8239 Privilege escalation in Pulse Secure Desktop Cient
- CVE-2020-8254 Path traversal in Pulse Secure Desktop Client
- CVE-2020-8240 Privilege escalation in Pulse Secure Desktop Client
- CVE-2020-8248 Privilege escalation in Pulse Secure Desktop Client
- CVE-2020-8250 Privilege escalation in Pulse Secure Desktop Client
Sources
Also known as GHSA-73qf-8rvq-9ffc.