Extreme Networks HiveOS ah_auth Stack-based Buffer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Extreme Networks routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the ah_auth service, which listens on UDP port 3001. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
Additional Details
Extreme Networks has issued an update to correct this vulnerability. More details can be found at:
https://extreme-networks.my.site.com/ExtrArticleDetail?an=000115355&q=CVE-2023-46272
Disclosure Timeline
- 2023-07-06 - Vulnerability reported to vendor
- 2023-12-12 - Coordinated public release of advisory
Credit
Victorien Molle - Biche Télécom
