CVE-2019-25336 SpotAuditor 5.3.2 - 'Base64' Local Buffer Overflow (SEH)
Attackers can execute arbitrary code via a crafted Base64 payload triggering a buffer overflow in SpotAuditor's password tool.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-25336?
CVE-2019-25336 is a high-severity memory corruption vulnerability in Nsasoft Nsauditor SpotAuditor, published on 12 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
SpotAuditor 5.3.2 contains a local buffer overflow vulnerability in the Base64 Encrypted Password tool that allows attackers to execute arbitrary code by crafting a malicious payload. Attackers can generate a specially crafted Base64 encoded payload to trigger a Structured Exception Handler (SEH) overwrite and execute shellcode on the vulnerable system.
Weakness: CWE-121
Which versions are affected by CVE-2019-25336?
It affects 1 product.
Products include Nsasoft Spotauditor.
How do I fix CVE-2019-25336?
No fix has been published for CVE-2019-25336 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-2019-25336 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25336 exists.
Other vulnerabilities in Nsasoft Nsauditor SpotAuditor
- CVE-2019-25666 SpotAuditor 3.6.7 Denial of Service Buffer Overflow
- CVE-2019-25596 SpotAuditor 5.2.6 Name Field Denial of Service
- CVE-2019-25434 SpotAuditor 5.3.1.0 Denial of Service via Registration Name Field
- CVE-2019-25340 SpotAuditor 5.3.2 - 'Base64' Denial Of Service
- CVE-2021-27722 Memory corruption in n/a
Sources
Also known as GHSA-w785-qrg6-5h74.