CVE-2023-31470
CRITICALCVSS 9.8/10EPSS 1.12%
Last modified
CVE-2023-31470 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.
Description
SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pymumu | Smartdns | <= 41 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-31470?
SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.
How severe is CVE-2023-31470?
CVE-2023-31470 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31470?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-31470?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST