CVE-2023-25098 Memory corruption in UR32L
A buffer overflow in the vtysh_ubus binary allows high-privilege attackers to execute arbitrary code via crafted HTTP requests.
- 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-2023-25098?
CVE-2023-25098 is a high-severity memory corruption vulnerability in Milesight Ur32l Firmware, published on 6 Jul 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_qos function with the source variable.
Which versions are affected by CVE-2023-25098?
It affects 1 product.
Products include Milesight Ur32l Firmware.
How do I fix CVE-2023-25098?
No fix has been published for CVE-2023-25098 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-25098 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25098 exists.
Other vulnerabilities in Milesight Ur32l Firmware
Sources
Also known as GHSA-3v63-8g3j-5m9m.