CVE-2021-28205 ASUS BMC's firmware: path traversal - Delete SOL video file function
Remote attackers with admin privileges can exploit a path traversal flaw in the Delete SOL video file function to access or modify system files.
- 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-2021-28205?
CVE-2021-28205 is a medium-severity path traversal vulnerability in ASUS BMC firmware for ASMB8-iKVM, published on 6 Apr 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The specific function in ASUS BMC’s firmware Web management page (Delete SOL video file function) does not filter the specific parameter. As obtaining the administrator permission, remote attackers can use the means of path traversal to access system files.
Weakness: CWE-22
Which versions are affected by CVE-2021-28205?
It affects 3 products.
Products include Asus Asmb8-Ikvm Firmware, Asus Z10pe-D16 Ws Firmware, Asus Z10pr-D16 Firmware.
How do I fix CVE-2021-28205?
No fix has been published for CVE-2021-28205 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-2021-28205 being exploited?
There is no known exploitation of CVE-2021-28205 in the wild and no public exploit code.
Other vulnerabilities in ASUS BMC firmware for ASMB8-iKVM
- CVE-2023-26602 Command injection in n/a
- CVE-2021-28203 ASUS BMC's firmware: command injection - Web Set Media Image function
- CVE-2021-28204 ASUS BMC's firmware: command injection - Modify user’s information function
- CVE-2021-28175 ASUS BMC's firmware: buffer overflow - Radius configuration function
- CVE-2021-28176 ASUS BMC's firmware: buffer overflow - DNS configuration function
Sources
Also known as GHSA-pjx3-2523-w68g.