CVE-2023-31926 Arbitrary File Overwrite using less command
Attackers can overwrite system files via the less command in Brocade Fabric OS, potentially leading to privilege escalation or system compromise.
- 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-2023-31926?
CVE-2023-31926 is a high-severity path traversal vulnerability in Brocade Fabric OS, published on 2 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
System files could be overwritten using the less command in Brocade Fabric OS before Brocade Fabric OS v9.1.1c and v9.2.0.
Which versions are affected by CVE-2023-31926?
It affects 1 product.
Products include Broadcom Brocade Fabric Operating System.
How do I fix CVE-2023-31926?
No fix has been published for CVE-2023-31926 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-2023-31926 being exploited?
There is no known exploitation of CVE-2023-31926 in the wild and no public exploit code.
Other vulnerabilities in Brocade Fabric OS
- CVE-2023-31432 Privilege issues in multiple commands
- CVE-2021-23133 Linux Kernel sctp_destroy_sock race condition
- CVE-2023-31928 XSS vulnerability in Brocade Webtools
- CVE-2023-31428 CLI allows upload or transfer files of dangerous types
- CVE-2023-31430 buffer overflow vulnerability in “secpolicydelete” command
Sources
Also known as GHSA-rc2q-3pmv-73vx.