CVE-2020-5324 Path traversal in Dell Client Consumer and Commercial Platforms
A local attacker can trick an administrator into overwriting arbitrary files via symlink attacks in the Dell Firmware Update Utility, potentially leading to privilege escalation.
- 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-2020-5324?
CVE-2020-5324 is a high-severity path traversal vulnerability in Dell Inspiron 3480 Firmware, published on 21 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell Client Consumer and Commercial Platforms contain an Arbitrary File Overwrite Vulnerability. The vulnerability is limited to the Dell Firmware Update Utility during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.
Which versions are affected by CVE-2020-5324?
It affects 113 products.
Products include Dell G3 15 3590 Firmware, Dell G3 3579 Firmware, Dell G3 3779 Firmware, Dell G5 15 5590 Firmware, Dell G5 5090 Firmware, Dell G5 5587 Firmware and 107 more.
How do I fix CVE-2020-5324?
No fix has been published for CVE-2020-5324 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-2020-5324 being exploited?
There is no known exploitation of CVE-2020-5324 in the wild and no public exploit code.
Sources
Also known as GHSA-h3cp-w4mh-hq4h.