CVE-2020-25289 Path traversal in n/a
Local attackers can write arbitrary files via symbolic links in the log directory, potentially leading to privilege escalation or code execution.
- 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-2020-25289?
CVE-2020-25289 is a medium-severity path traversal vulnerability in n/a, published on 13 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The VPN service in AVAST SecureLine before 5.6.4982.470 allows local users to write to arbitrary files via an Object Manager symbolic link from the log directory (which has weak permissions).
Weakness: CWE-59
Which versions are affected by CVE-2020-25289?
It affects 1 product.
Products include Avast Secureline Vpn.
How do I fix CVE-2020-25289?
No fix has been published for CVE-2020-25289 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-25289 being exploited?
There is no known exploitation of CVE-2020-25289 in the wild and no public exploit code.
Sources
Also known as GHSA-p87v-mmg4-w93p.